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Private spaceflight is any
spaceflight Spaceflight (or space flight) is an application of astronautics to fly objects, usually spacecraft, into or through outer space, either with or without humans on board. Most spaceflight is uncrewed and conducted mainly with spacecraft such ...
development that is not conducted by a
government agency A government agency or state agency, sometimes an appointed commission, is a permanent or semi-permanent organization in the machinery of government (bureaucracy) that is responsible for the oversight and administration of specific functions, s ...
, such as
NASA The National Aeronautics and Space Administration (NASA ) is an independent agencies of the United States government, independent agency of the federal government of the United States, US federal government responsible for the United States ...
or
ESA The European Space Agency (ESA) is a 23-member international organization devoted to space exploration. With its headquarters in Paris and a staff of around 2,547 people globally as of 2023, ESA was founded in 1975 in the context of European ...
. During the early decades of the
Space Age The Space Age is a period encompassing the activities related to the space race, space exploration, space technology, and the cultural developments influenced by these events, beginning with the launch of Sputnik 1 on October 4, 1957, and co ...
, the government
space agencies Government space agencies, established by the governments of countries and regional agencies (groupings of countries) are established as a means for advocating for engaging in activities related to outer space, exploitation of space systems, ...
of the
Soviet Union The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...
and United States pioneered
space technology Space technology is technology for use in outer space. Space technology includes space vehicles such as spacecraft, satellites, space stations and orbital spaceflight, orbital launch vehicles; :Spacecraft communication, deep-space communication; :S ...
in collaboration with affiliated
design bureau OKB () is a transliteration of the Russian initials for "" (), which translates to "Experimental Design Bureau." It could also mean or "Special Design Bureau" in english. During the Soviet era, OKBs were closed institutions working on design and ...
s in the USSR and
private companies A privately held company (or simply a private company) is a company whose shares and related rights or obligations are not offered for public subscription or publicly negotiated in their respective listed markets. Instead, the company's stock is ...
in the US. They entirely funded both the development of new spaceflight technologies and the operational costs of spaceflight. Following a similar model of space technology development, the
European Space Agency The European Space Agency (ESA) is a 23-member International organization, international organization devoted to space exploration. With its headquarters in Paris and a staff of around 2,547 people globally as of 2023, ESA was founded in 1975 ...
was formed in 1975.
Arianespace Arianespace SA is a French company founded in March 1980 as the world's first commercial launch service provider. It operates two launch vehicles: Vega C, a Small-lift launch vehicle, small-lift rocket, and Ariane 6, a Medium-lift launch vehicl ...
, born out of ESA's independent spaceflight efforts, became the world's first commercial
launch service provider A launch service provider or launch vehicle provider is a type of company that delivers a payload into space, including the delivery of satellites, spacecraft, cargo, astronauts, and potentially space tourists. Services provided may include furnis ...
in the early 1980s. Subsequently, large
defense contractor A defense contractor is a business organization or individual that provides products or services to a military or intelligence department of a government. Products typically include military or civilian aircraft, ships, vehicles, weaponry, and ...
s began to develop and operate space
launch system A launch vehicle is typically a rocket-powered vehicle designed to carry a payload (a crewed spacecraft or satellites) from Earth's surface or lower atmosphere to outer space. The most common form is the ballistic missile-shaped multist ...
s, which were derived from government rockets. In the United States, the FAA has created a new certification called
Commercial Astronaut A commercial astronaut is a person who has commanded, piloted, or served as an active crew member of a privately-funded spacecraft. This is distinct from an otherwise non-government astronaut, for example Charlie Walker, who flies while represe ...
, a new occupation. In the 2000s,
entrepreneur Entrepreneurship is the creation or extraction of economic value in ways that generally entail beyond the minimal amount of risk (assumed by a traditional business), and potentially involving values besides simply economic ones. An entreprene ...
s began designing—and by the 2010s, deploying—space systems
competitive Competition is a rivalry where two or more parties strive for a common goal which cannot be shared: where one's gain is the other's loss (an example of which is a zero-sum game). Competition can arise between entities such as organisms, indi ...
to the
government A government is the system or group of people governing an organized community, generally a State (polity), state. In the case of its broad associative definition, government normally consists of legislature, executive (government), execu ...
al systems of the early decades of the space age. These new offerings have brought about significant market competition in space launch services after 2010 that had not been present previously, principally through the reduction of the cost of space launch and the availability of more space launch
capacity Capacity or capacities may refer to: Mathematics, science, and engineering * Capacity of a container, closely related to the volume of the container * Capacity of a set, in Euclidean space, the total charge a set can hold while maintaining a giv ...
. Private spaceflight accomplishments to date include flying
suborbital A sub-orbital spaceflight is a spaceflight in which the spacecraft reaches outer space, but its trajectory intersects the surface of the gravitating body from which it was launched. Hence, it will not complete one orbital revolution, will no ...
spaceplane A spaceplane is a vehicle that can flight, fly and gliding flight, glide as an aircraft in Earth's atmosphere and function as a spacecraft in outer space. To do so, spaceplanes must incorporate features of both aircraft and spacecraft. Orbit ...
s (
SpaceShipOne SpaceShipOne is an experimental air launch, air-launched rocket-powered aircraft with sub-orbital spaceflight capability at speeds of up to / using a hybrid rocket motor. The design features a unique "Feathering (reentry), feathering" atmosph ...
and
SpaceShipTwo The Scaled Composites Model 339 SpaceShipTwo (SS2) was an air-launched suborbital spaceplane type designed for space tourism. It was manufactured by The Spaceship Company, a California-based company owned by Virgin Galactic. SpaceShipTwo was ...
), launching
orbit In celestial mechanics, an orbit (also known as orbital revolution) is the curved trajectory of an object such as the trajectory of a planet around a star, or of a natural satellite around a planet, or of an artificial satellite around an ...
al
rocket A rocket (from , and so named for its shape) is a vehicle that uses jet propulsion to accelerate without using any surrounding air. A rocket engine produces thrust by reaction to exhaust expelled at high speed. Rocket engines work entirely ...
s, flying two orbital expandable test modules (
Genesis I ''Genesis I'' is an experimental space habitat designed and built by the private American firm Bigelow Aerospace and launched in 2006. It was the first module to be sent into orbit by the company, and tested various systems, materials and tec ...
and II). On the opposite, launching astronauts to the
International Space Station The International Space Station (ISS) is a large space station that was Assembly of the International Space Station, assembled and is maintained in low Earth orbit by a collaboration of five space agencies and their contractors: NASA (United ...
and certain
satellite A satellite or an artificial satellite is an object, typically a spacecraft, placed into orbit around a celestial body. They have a variety of uses, including communication relay, weather forecasting, navigation ( GPS), broadcasting, scient ...
launches are performed on behalf of and financed by government agencies. Planned private spaceflights beyond Earth orbit include personal spaceflights around the Moon. Two private orbital habitat prototypes are already in Earth orbit, with larger versions to follow. Planned private spaceflights beyond Earth orbit include
solar sail Solar sails (also known as lightsails, light sails, and photon sails) are a method of spacecraft propulsion using radiation pressure exerted by sunlight on large surfaces. A number of spaceflight missions to test solar propulsion and navigati ...
ing prototypes ( LightSail-3).


History of commercial space transportation

During the principal period of
spaceflight Spaceflight (or space flight) is an application of astronautics to fly objects, usually spacecraft, into or through outer space, either with or without humans on board. Most spaceflight is uncrewed and conducted mainly with spacecraft such ...
in the mid-twentieth century, only
nation state A nation state, or nation-state, is a political entity in which the State (polity), state (a centralized political organization ruling over a population within a territory) and the nation (a community based on a common identity) are (broadly ...
s developed and flew spacecraft above the
Kármán line The Kármán line (or von Kármán line ) is a conventional definition of the Outer space#Boundary, edge of space; it is widely but not universally accepted. The international record-keeping body Fédération Aéronautique Internationale, FAI ( ...
, the nominal boundary of space. Both the U.S. civilian space program and
Soviet space program The Soviet space program () was the state space program of the Soviet Union, active from 1951 until the dissolution of the Soviet Union in 1991. Contrary to its competitors (NASA in the United States, the European Space Agency in Western Euro ...
were operated using mainly military pilots as
astronaut An astronaut (from the Ancient Greek (), meaning 'star', and (), meaning 'sailor') is a person trained, equipped, and deployed by a List of human spaceflight programs, human spaceflight program to serve as a commander or crew member of a spa ...
s. During this period, no commercial space launches were available to private operators, and no private organization was able to offer space launches. Eventually, private organizations were able to both offer and purchase space launches, thus beginning the period of private spaceflight. The first phase of private space operation was the launch of the first commercial
communications satellite A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a Transponder (satellite communications), transponder; it creates a communication channel between a source transmitter and a Rad ...
s. The U.S.
Communications Satellite Act of 1962 The Communications Satellite Act of 1962 was put into effect in order to deal with the issue of commercialization of space communications. This act was very controversial, and was left very open-ended. The act was signed August 31, 1962 by Pres ...
allowed commercial consortia owning and operating their own satellites, although these were still deployed on state-owned launch vehicles. In 1980, the
European Space Agency The European Space Agency (ESA) is a 23-member International organization, international organization devoted to space exploration. With its headquarters in Paris and a staff of around 2,547 people globally as of 2023, ESA was founded in 1975 ...
created
Arianespace Arianespace SA is a French company founded in March 1980 as the world's first commercial launch service provider. It operates two launch vehicles: Vega C, a Small-lift launch vehicle, small-lift rocket, and Ariane 6, a Medium-lift launch vehicl ...
, a company to be operated commercially after initial hardware and launch facilities were developed with
government A government is the system or group of people governing an organized community, generally a State (polity), state. In the case of its broad associative definition, government normally consists of legislature, executive (government), execu ...
funding. Arianespace has since launched numerous satellites as a commercial entity. The history of full private space transportation includes early efforts by German company OTRAG in the 20th century. Founded in 1975 as the first private company to attempt to launch a private spacecraft, testing of its OTRAG rocket began in 1977. The history also covers numerous modern orbital and suborbital launch systems in the 21st century. More recent commercial spaceflight projects include the suborbital flights of
Virgin Galactic Virgin Galactic Holdings, Inc. is a British-American spaceflight company founded by Richard Branson and the Virgin Group conglomerate, which retains an 11.9% stake through Virgin Investments Limited. It is headquartered in California, and opera ...
and
Blue Origin Blue Origin Enterprises, L.P. is an American space technology company headquartered in Kent, Washington. The company operates the suborbital New Shepard rocket and the heavy-lift New Glenn rocket. In addition to producing engines for its own ...
, the orbital flights of
SpaceX Space Exploration Technologies Corp., commonly referred to as SpaceX, is an America, American space technology company headquartered at the SpaceX Starbase, Starbase development site in Starbase, Texas. Since its founding in 2002, the compa ...
and other
COTS COTS may refer to: * Commercial off-the-shelf, products that are commercially available and can be bought "as is" * Commercial Orbital Transportation Services, a NASA program for delivery to the International Space Station by private companies * ...
participants. Development of alternatives to government-provided
space launch Space launch is the earliest part of a flight that reaches space. Space launch involves liftoff, when a rocket or other space launch vehicle leaves the ground, floating ship or midair aircraft at the start of a flight. Liftoff is of two main ...
services began in earnest in the 2000s. Private interests began funding limited development programs, but the
US government The Federal Government of the United States of America (U.S. federal government or U.S. government) is the national government of the United States. The U.S. federal government is composed of three distinct branches: legislative, execut ...
later sponsored a
series of Series may refer to: People with the name * Caroline Series (born 1951), English mathematician, daughter of George Series * George Series (1920–1995), English physicist Arts, entertainment, and media Music * Series, the ordered sets used in ...
programs to incentivize and encourage private companies to begin offering both cargo, and later, crew
space transport Spaceflight (or space flight) is an application of astronautics to fly objects, usually spacecraft, into or through outer space, either with or without humans on board. Most spaceflight is uncrewed and conducted mainly with spacecraft such a ...
ation services. Lower prices for launch services after 2010, and published prices for standard launch services, have brought about significant
space launch market competition Space launch market competition is the manifestation of market forces in the launch service provider business. In particular it is the trend of competitive dynamics among payload transport capabilities at diverse prices having a greater influe ...
that had not been present previously. By 2012, a private company had begun transporting cargo to and from the
International Space Station The International Space Station (ISS) is a large space station that was Assembly of the International Space Station, assembled and is maintained in low Earth orbit by a collaboration of five space agencies and their contractors: NASA (United ...
, while a second private company was scheduled to begin making deliveries in 2013, ushering in a time of regular private space cargo delivery to and return from the government-owned space facility in
low Earth orbit A low Earth orbit (LEO) is an geocentric orbit, orbit around Earth with a orbital period, period of 128 minutes or less (making at least 11.25 orbits per day) and an orbital eccentricity, eccentricity less than 0.25. Most of the artificial object ...
(LEO). In this new paradigm for LEO cargo transport, the government contracts for and pays for cargo services on substantially privately developed
space vehicles Space is a three-dimensional continuum containing positions and directions. In classical physics, physical space is often conceived in three linear dimensions. Modern physicists usually consider it, with time, to be part of a boundless four ...
rather than the government operating each of the cargo vehicles and cargo delivery systems. , there is a mix of private and government resupply vehicles being used for the ISS, as the
Russian Russian(s) may refer to: *Russians (), an ethnic group of the East Slavic peoples, primarily living in Russia and neighboring countries *A citizen of Russia *Russian language, the most widely spoken of the Slavic languages *''The Russians'', a b ...
Soyuz Soyuz is a transliteration of the Cyrillic text Союз (Russian language, Russian and Ukrainian language, Ukrainian, 'Union'). It can refer to any union, such as a trade union (''profsoyuz'') or the Soviet Union, Union of Soviet Socialist Republi ...
and
Progress Progress is movement towards a perceived refined, improved, or otherwise desired state. It is central to the philosophy of progressivism, which interprets progress as the set of advancements in technology, science, and social organization effic ...
vehicles, and the
European Space Agency The European Space Agency (ESA) is a 23-member International organization, international organization devoted to space exploration. With its headquarters in Paris and a staff of around 2,547 people globally as of 2023, ESA was founded in 1975 ...
(ESA)
ATV ATV may refer to: Broadcasting * Amateur television *Analog television Television broadcaster * Andorra Televisió * Anguilla Television * Ayna TV, Afghanistan * ATV (Armenia) * ATV (Aruba), NBC affiliate * ATV (Australian TV station), Melbourn ...
(through 2014) and the
Japanese Japanese may refer to: * Something from or related to Japan, an island country in East Asia * Japanese language, spoken mainly in Japan * Japanese people, the ethnic group that identifies with Japan through ancestry or culture ** Japanese diaspor ...
Kounotori (through 2021) remain in operation after the 2011 retirement of the US
Space Shuttle The Space Shuttle is a retired, partially reusable launch system, reusable low Earth orbital spacecraft system operated from 1981 to 2011 by the U.S. National Aeronautics and Space Administration (NASA) as part of the Space Shuttle program. ...
. In June 2013, British newspaper ''
The Independent ''The Independent'' is a British online newspaper. It was established in 1986 as a national morning printed paper. Nicknamed the ''Indy'', it began as a broadsheet and changed to tabloid format in 2003. The last printed edition was publis ...
'' claimed that "the space race is flaring back into life, and it's not massive institutions such as NASA that are in the running. The old view that human space flight is so complex, difficult and expensive that only huge government agencies could hope to accomplish it is being disproved by a new breed of flamboyant space privateers, who are planning to send humans out beyond the Earth's orbit for the first time since 1972," particularly noting projects underway by
Mars One Mars One was a small private Dutch organization that received money from investors by claiming it would use it to land the first humans on Mars and leave them there to establish a permanent human colony. From its announcement in 2012 to its ...
, Inspiration Mars Foundation,
Bigelow Aerospace Bigelow Aerospace was an American space design and manufacturing company which ceased operations in 2020. It was an aeronautics and outer space technology company which manufactured and developed expandable space station modules. Bigelow Aero ...
and
SpaceX Space Exploration Technologies Corp., commonly referred to as SpaceX, is an America, American space technology company headquartered at the SpaceX Starbase, Starbase development site in Starbase, Texas. Since its founding in 2002, the compa ...
.


American deregulation

The
Commercial Space Launch Act of 1984 Commercial Space Launch Act of 1984 is a United States federal law authored to facilitate the private enterprise of the commercialization of space and space technology. The Act of Congress set forth the quest to acquire innovative equipment and ...
required encouragement of commercial space ventures, adding a new clause to NASA's
mission statement A mission statement is a short statement of why an organization exists, what its overall goal is, the goal of its operations: what kind of product or service it provides, its primary customers or market, and its geographical region of operation ...
: :(c) Commercial Use of Space. - Congress declares that the general welfare of the United States requires that the Administration seek and encourage, to the maximum extent possible, the fullest commercial use of space. Yet one of NASA's early actions was to effectively prevent private space flight through a large amount of regulation. From the beginning, though, this met significant opposition not only by the private sector, but in Congress. In 1962, Congress passed its first law pushing back the prohibition on private involvement in space, the
Communications Satellite Act of 1962 The Communications Satellite Act of 1962 was put into effect in order to deal with the issue of commercialization of space communications. This act was very controversial, and was left very open-ended. The act was signed August 31, 1962 by Pres ...
. While largely focusing on the satellites of its namesake, this was described by both the law's opponents ''and'' advocates of private space, as the first step on the road to privatisation. While launch vehicles were originally bought from private contractors, from the beginning of the Shuttle program until the Space Shuttle ''Challenger'' disaster in 1986, NASA attempted to position its shuttle as the sole legal space launch option. But with the mid-launch explosion/loss of '' Challenger'' came the suspension of the
government A government is the system or group of people governing an organized community, generally a State (polity), state. In the case of its broad associative definition, government normally consists of legislature, executive (government), execu ...
-operated shuttle flights, allowing the formation of a commercial launch industry. On 4 July 1982, the Reagan administration released National Security Decision Directive Number 42 which officially set its goal to expand United States private-sector investment and involvement in civil space and space-related activities. On 16 May 1983, the Reagan administration issued National Security Decision Directive Number 94 encouraging the commercialization of expendable launch vehicles (ELVs), which directed that, "The U.S. Government will license, supervise, and/or regulate U.S. commercial ELV operations only to the extent required to meet its national and international obligations and to ensure public safety." On 30 October 1984, US President
Ronald Reagan Ronald Wilson Reagan (February 6, 1911 – June 5, 2004) was an American politician and actor who served as the 40th president of the United States from 1981 to 1989. He was a member of the Republican Party (United States), Republican Party a ...
signed into law the Commercial Space Launch Act. This enabled an American industry of private operators of
expendable launch system An expendable launch system (or expendable launch vehicle/ELV) is a launch vehicle that can be launched only once, after which its components are destroyed during reentry or impact with Earth, or discarded in space. ELVs typically consist of s ...
s. Prior to the signing of this law, all commercial satellite launches in the United States were restricted by Federal regulation to NASA's
Space Shuttle The Space Shuttle is a retired, partially reusable launch system, reusable low Earth orbital spacecraft system operated from 1981 to 2011 by the U.S. National Aeronautics and Space Administration (NASA) as part of the Space Shuttle program. ...
. On 11 February 1988, the Presidential Directive declared that the government should purchase commercially available space goods and services to the fullest extent feasible and shall not conduct activities with potential commercial applications that preclude or deter Commercial Sector space activities except for national security or public safety reasons. On 5 November 1990, United States President
George H. W. Bush George Herbert Walker BushBefore the outcome of the 2000 United States presidential election, he was usually referred to simply as "George Bush" but became more commonly known as "George H. W. Bush", "Bush Senior," "Bush 41," and even "Bush th ...
signed into law the Launch Services Purchase Act. The Act, in a complete reversal of the earlier Space Shuttle monopoly, ordered NASA to purchase launch services for its primary payloads from commercial providers whenever such services are required in the course of its activities. In 1996, the United States government selected
Lockheed Martin The Lockheed Martin Corporation is an American Arms industry, defense and aerospace manufacturer with worldwide interests. It was formed by the merger of Lockheed Corporation with Martin Marietta on March 15, 1995. It is headquartered in North ...
and
Boeing The Boeing Company, or simply Boeing (), is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, and missiles worldwide. The company also provides leasing and product support s ...
to each develop
Evolved Expendable Launch Vehicle National Security Space Launch (NSSL) is a program of the United States Space Force (USSF) intended to assure access to space for United States Department of Defense and other United States government payloads. The program is managed by the Assure ...
s (EELV) to compete for launch contracts and provide assured access to space. The government's acquisition strategy relied on the strong commercial viability of both vehicles to lower unit costs. This anticipated market demand did not materialise, but both the
Delta IV Delta IV was a group of five expendable launch systems in the Delta rocket family. It flew 45 missions from 2002 to 2024. Originally designed by Boeing's Defense, Space and Security division for the Evolved Expendable Launch Vehicle (EELV) p ...
and
Atlas V Atlas V is an expendable launch system and the fifth major version in the Atlas (rocket family), Atlas launch vehicle family. It was developed by Lockheed Martin and has been operated by United Launch Alliance (ULA) since 2006. Primarily used to ...
EELVs remain in active service. Commercial launches outnumbered government launches at the
Eastern Range The Eastern Range (ER) is an American rocket range (Spaceport) that supports missile and rocket launches from the two major List of rocket launch sites, launch heads located at Cape Canaveral Space Force Station and the Kennedy Space Center ( ...
in 1997. The Commercial Space Act was passed in 1998 and implements many of the provisions of the Launch Services Purchase Act of 1990. Nonetheless, until 2004 NASA kept private space flight effectively illegal. But that year, the Commercial Space Launch Amendments Act of 2004 required that NASA and the
Federal Aviation Administration The Federal Aviation Administration (FAA) is a Federal government of the United States, U.S. federal government agency within the United States Department of Transportation, U.S. Department of Transportation that regulates civil aviation in t ...
legalise private space flight.Private Spaceflight Bill Signed into Law

The Commercial Space Launch Amendments Act, or H.R. 5382, placed a clear legislative stamp on regulations that were being formulated by the Federal Aviation Administration. Among other provisions, the law was intended to let paying passengers fly on suborbital launch vehicles at their own risk.
The 2004 Act also specified a "learning period" which restricted the ability of the FAA to enact regulations regarding the safety of people who might actually fly on commercial spacecraft through 2012, ostensibly because spaceflight participants would share the risk of flight through
informed consent Informed consent is an applied ethics principle that a person must have sufficient information and understanding before making decisions about accepting risk. Pertinent information may include risks and benefits of treatments, alternative treatme ...
procedures of human spaceflight risks, while requiring the launch provider to be legally liable for potential losses to uninvolved persons and structures. To the end of 2014, commercial passenger flights in space has remained effectively illegal, as the FAA has refused to give a commercial operator's license to any private space company. The
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
updated US commercial space legislation with the passage of the ''Spurring Private Aerospace Competitiveness and Entrepreneurship Act of 2015'' (SPACE Act of 2015) in November 2015. The update US law explicitly allows "US citizens to engage in the commercial exploration and exploitation of 'space resources' ncluding... water and minerals. The right does not extend to
biological life Life, also known as biota, refers to matter that has biological processes, such as signaling and self-sustaining processes. It is defined descriptively by the capacity for homeostasis, organisation, metabolism, growth, adaptation, res ...
, so anything that is alive may not be exploited commercially. The Act further asserts that "the United States does not by this Act)assert
sovereignty Sovereignty can generally be defined as supreme authority. Sovereignty entails hierarchy within a state as well as external autonomy for states. In any state, sovereignty is assigned to the person, body or institution that has the ultimate au ...
, or sovereign or
exclusive right An exclusive right, or exclusivity, is a ''de facto'', non-tangible prerogative existing in law (that is, the power or, in a wider sense, right) to perform an action or acquire a benefit and to permit or deny others the right to perform the same ...
s or jurisdiction over, or the ownership of, any
celestial body An astronomical object, celestial object, stellar object or heavenly body is a naturally occurring physical entity, association, or structure that exists within the observable universe. In astronomy, the terms ''object'' and ''body'' are of ...
". The SPACE Act includes the extension of
indemnification In contract law, an indemnity is a contractual obligation of one party (the ''indemnitor'') to compensate the loss incurred by another party (the ''indemnitee'') due to the relevant acts of the indemnitor or any other party. The duty to indemni ...
of US launch providers for extraordinary catastrophic third-party losses of a failed launch through 2025, while the previous indemnification law was scheduled to expire in 2016. The Act also extends, through 2025, the "learning period" restrictions which limit the ability of the FAA to enact regulations regarding the safety of spaceflight ''participants''. Indemnification for extraordinary third-party losses has, as of 2015, been a component of US space law for over 25 years, and during this time, "has never been invoked in any commercial launch mishap".


Russian privatization

In 1992, a Resurs-500 capsule containing gifts was launched from
Plesetsk Cosmodrome Plesetsk Cosmodrome () is a Russian spaceport located in Mirny, Arkhangelsk Oblast, near the town of Plesetsk, from which it takes its name. Until 2025 and the commissioning of the Andøya Space, Andøya base in Norway, it was the only operati ...
in a private spaceflight called Europe-America 500. The flight was conceived by the Russian Foundation for Social Inventions and TsSKB-Progress, a Russian rocket-building company, to increase trade between Russia and the United States, and to promote the use of technology once reserved only for military forces. Money for the launch was raised from a collection of Russian companies. The capsule parachuted into the Pacific Ocean and was brought to Seattle by a Russian missile-tracking ship.


Launch alliances

Since 1995 Khrunichev's
Proton rocket Proton (, formal designation: UR-500) is an expendable launch system used for both commercial and Russian government space launches. The first Proton rocket was launched in 1965. Modern versions of the launch system are still in use , making it ...
has been marketed through
International Launch Services International Launch Services, Inc. (ILS) is a joint venture with exclusive rights to the worldwide sale of commercial Angara and Proton rocket launch services. Proton launches take place at the Baikonur Cosmodrome in Kazakhstan while Angara is l ...
, while the
Soyuz rocket The Soyuz (, meaning "union", GRAU index 11A511) was a Soviet expendable carrier rocket designed in the 1960s by OKB-1 and manufactured by State Aviation Plant No. 1 in Kuybyshev, Soviet Union. It was commissioned to launch Soyuz spacecraft a ...
is marketed via
Starsem Starsem is a French-Russian company that was created in 1996 to commercialise the Soyuz launcher internationally. Starsem is headquartered in Évry, France (near Paris) and has the following shareholders: * ArianeGroup (35%) * Arianespace (15% ...
. The
Sea Launch Sea Launch was a multinational—Norway, Russia, Ukraine, United States—spacecraft launch company founded in 1995 that provided orbital launch services from 1999 to 2014. The company used a mobile maritime launch platform for equatorial l ...
project flew the Ukrainian
Zenit rocket Zenit (, ; meaning ''Zenith'') was a family of space launch vehicles designed by the Yuzhnoye Design Bureau in Dnipro, Ukraine, which was then part of the Soviet Union. Zenit was originally built in the 1980s for two purposes: as a liquid rocke ...
. In 2003, Arianespace joined with
Boeing The Boeing Company, or simply Boeing (), is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, and missiles worldwide. The company also provides leasing and product support s ...
Launch Services and
Mitsubishi Heavy Industries is a Japanese Multinational corporation, multinational engineering, electrical equipment and electronics corporation headquartered in Tokyo, Japan. MHI is one of the core companies of the Mitsubishi Group and its automobile division is the prede ...
to create the Launch Services Alliance. In 2005, continued weak commercial demand for EELV launches drove Lockheed Martin and Boeing to propose a joint venture called the
United Launch Alliance United Launch Alliance, LLC (ULA) is an American launch service provider formed in December 2006 as a joint venture between Lockheed Martin Space and Boeing Defense, Space & Security. The company designs, assembles, sells and launches rockets ...
to service the United States government launch market.


Spaceflight privatization

Since the 1980s, various private initiatives have started up to pursue the private use of
space Space is a three-dimensional continuum containing positions and directions. In classical physics, physical space is often conceived in three linear dimensions. Modern physicists usually consider it, with time, to be part of a boundless ...
. Traditional costs to launch anything to space have been high—on the order of tens of thousands of US dollars per kilogram—but by 2020, costs on the order of a few thousand dollars per kilogram are being seen from one private launch provider that was an early 2000s startup, with the cost projected to fall to less than a few hundred dollars per kilogram as the technology of a second private spaceflight startup of ~2000 comes into service.Private space industrialization is here
Mikhail Kokorich Mikhail Valeryevich Kokorich (, born 11 October 1976) is a Russian physicist and entrepreneur. He has founded, in Russia, the United States, and Europe, several companies active in aerospace technologies. He is best known as a CEO and founder ...
,
TechCrunch TechCrunch is an American global online newspaper focusing on topics regarding high tech, high-tech and Startup company, startup companies. It was founded in June 2005 by Archimedes Ventures, led by partners Michael Arrington and Keith Teare. I ...
, 18 August 2020, accessed 25 August 2020.
The first privately funded rocket to reach the boundary of space, the
Kármán line The Kármán line (or von Kármán line ) is a conventional definition of the Outer space#Boundary, edge of space; it is widely but not universally accepted. The international record-keeping body Fédération Aéronautique Internationale, FAI ( ...
, (although not orbit) was Conestoga I, which was launched by
Space Services Inc. Space Services, Inc. of America (SSIA) is a space services company and holding company. The primary subsidiary company, Celestis is for space burials; other activities include operation of an unofficial ' star registry'. Though today it buys second ...
on a suborbital flight to altitude on 9 September 1982. In October 1995, their first (and only) attempt at an orbital launch, Conestoga 1620, failed to achieve orbit due to a guidance system failure. On April 5, 1990,
Orbital Sciences Corporation Orbital Sciences Corporation (commonly referred to as Orbital) was an American company specializing in the design, manufacture, and launch of small- and medium- class space and launch vehicle systems for commercial, military and other governmen ...
's
Pegasus Pegasus (; ) is a winged horse in Greek mythology, usually depicted as a white stallion. He was sired by Poseidon, in his role as horse-god, and foaled by the Gorgon Medusa. Pegasus was the brother of Chrysaor, both born from Medusa's blood w ...
, an
air launch Air launching is the practice of releasing a rocket, missile, parasite aircraft or other aircraft payload from a mother ship or launch aircraft. The payload craft or missile is often tucked under the wing of the larger mother ship and then "dropp ...
ed rocket, was the first launch vehicle fully developed by a private company to reach orbit. In the early 2000s, several public-private corporate partnerships were established in the United States to privately develop spaceflight technology. Several purely private initiatives have shown interest in private endeavors to the
inner Solar System The Solar SystemCapitalization of the name varies. The International Astronomical Union, the authoritative body regarding astronomical nomenclature, specifies capitalizing the names of all individual astronomical objects but uses mixed "Sol ...
. In 2006, NASA initiated a program to purchase commercial
space transport Spaceflight (or space flight) is an application of astronautics to fly objects, usually spacecraft, into or through outer space, either with or without humans on board. Most spaceflight is uncrewed and conducted mainly with spacecraft such a ...
to carry cargo to the
International Space Station The International Space Station (ISS) is a large space station that was Assembly of the International Space Station, assembled and is maintained in low Earth orbit by a collaboration of five space agencies and their contractors: NASA (United ...
, while funding a portion of the development of new technology in a public-private partnership. In May 2015, the Japanese legislature considered legislation to allow private company spaceflight initiatives in Japan. In 2016, the United States granted its first clearance for a private flight to the Moon, from the FAA's Office of Commercial Space Transportation. On 30 May 2020,
Crew Dragon Demo-2 Crew Dragon Demo-2 (officially Crew Demo-2, SpaceX Demo-2, or Demonstration Mission-2) was the first crewed test flight of the Crew Dragon spacecraft. The spacecraft, named '' Endeavour'', launched on 30 May 2020 on a Falcon 9 rocket, and carr ...
operated by
SpaceX Space Exploration Technologies Corp., commonly referred to as SpaceX, is an America, American space technology company headquartered at the SpaceX Starbase, Starbase development site in Starbase, Texas. Since its founding in 2002, the compa ...
became the first crewed mission to the
International Space Station The International Space Station (ISS) is a large space station that was Assembly of the International Space Station, assembled and is maintained in low Earth orbit by a collaboration of five space agencies and their contractors: NASA (United ...
in the
Commercial Crew Program The Commercial Crew Program (CCP) provides Private spaceflight, commercially operated human spaceflight, crew transportation service to and from the International Space Station (ISS) under contract to NASA, conducting crew rotations between t ...
. After 2015, European-based private small-lift launch vehicle development got underway, particularly in Germany, Italy, and the United Kingdom, but "France has largely been left out of this new commercial launch industry". In 2021, the
Government of France The Government of France (, ), officially the Government of the French Republic (, ), exercises Executive (government), executive power in France. It is composed of the Prime Minister of France, prime minister, who is the head of government, ...
announced a plan to fund the "France-based rocket firm
ArianeGroup ArianeGroup (formerly Airbus Safran Launchers) is an aerospace company based in France. A joint venture between Airbus and Safran, the company was founded in 2015 and is headquartered in Issy-les-Moulineaux near Paris. It consists of three core ...
to develop a new small-lift rocket called Maïa by the year 2026," which would be a government-funded but commercially developed rocket. On 22 February 2024, Intuitive Machine's private ''Odysseus'' successfully landed on the Moon after taking off on a SpaceX
Falcon 9 Falcon 9 is a Reusable launch system#Partial reusable launch systems, partially reusable, two-stage-to-orbit, medium-lift launch vehicle designed and manufactured in the United States by SpaceX. The first Falcon 9 launch was on June 4, 2010, an ...
liftoff on 15 February 2024 in a mission between
NASA The National Aeronautics and Space Administration (NASA ) is an independent agencies of the United States government, independent agency of the federal government of the United States, US federal government responsible for the United States ...
,
SpaceX Space Exploration Technologies Corp., commonly referred to as SpaceX, is an America, American space technology company headquartered at the SpaceX Starbase, Starbase development site in Starbase, Texas. Since its founding in 2002, the compa ...
, and
Intuitive Machines Intuitive Machines, Inc. is an American space exploration company headquartered in Houston, Texas. It was founded in 2013 by Stephen Altemus, Kam Ghaffarian, and Tim Crain, to provide commercial and government exploration of the Moon. Today the ...
. This event marked the first successful landing of a privately owned spacecraft on the Moon and the United States' first lunar landing in over 50 years and the first lander to do so with
cryogenic In physics, cryogenics is the production and behaviour of materials at very low temperatures. The 13th International Institute of Refrigeration's (IIR) International Congress of Refrigeration (held in Washington, DC in 1971) endorsed a univers ...
propellant A propellant (or propellent) is a mass that is expelled or expanded in such a way as to create a thrust or another motive force in accordance with Newton's third law of motion, and "propel" a vehicle, projectile, or fluid payload. In vehicle ...
s.


Companies

Today many commercial space transportation companies offer launch services to satellite companies and government space organizations around the world. In 2005, there were 18 total commercial launches and 37 non-commercial launches. Russia flew 44% of commercial orbital launches, while Europe had 28% and the United States had 6%. China's first private launch, a suborbital flight by
OneSpace OneSpace ( zh , s=零壹空间 , p= Líng Yī Kōngjiān , l= Zero One Space ) or One Space Technology Group ( zh , s= 零壹空间科技 , p= Líng Yī Kōngjiān Kējì , l= Zero One Space Technology ) is a Chinese private space launch group ...
, took place in May 2018.


Funding

In recent years, the
funding Funding is the act of providing resources to finance a need, program, or project. While this is usually in the form of money, it can also take the form of effort or time from an organization or company. Generally, this word is used when a firm use ...
to support private spaceflight has begun to be raised from a larger pool of sources than the comparatively limited pool of the 1990s. For example, and in the United States alone, ten
billionaire A billionaire is a person with a net worth of at least 1,000,000,000, one billion units of a given currency, usually of a major currency such as the United States dollar, euro, or pound sterling. It is a sub-category of the concept of the ultr ...
s had made "serious investments in private spaceflight activities" at six companies, including
Stratolaunch Systems Stratolaunch LLC is a private American aerospace company providing high-speed flight test services. It was founded in 2011 to develop a new air-launched space transportation system, with its corporate headquarters in Seattle. The company and ...
,
Planetary Resources Planetary Resources, Inc., formerly known as Arkyd Astronautics, was an American company that was formed on 1 January 2009,ARKYD Astronautics Founded http://www.planetaryresources.com/2009/01/draft-arkyd-astronautics-founded/ and reorganized an ...
,
Blue Origin Blue Origin Enterprises, L.P. is an American space technology company headquartered in Kent, Washington. The company operates the suborbital New Shepard rocket and the heavy-lift New Glenn rocket. In addition to producing engines for its own ...
,
Virgin Galactic Virgin Galactic Holdings, Inc. is a British-American spaceflight company founded by Richard Branson and the Virgin Group conglomerate, which retains an 11.9% stake through Virgin Investments Limited. It is headquartered in California, and opera ...
,
SpaceX Space Exploration Technologies Corp., commonly referred to as SpaceX, is an America, American space technology company headquartered at the SpaceX Starbase, Starbase development site in Starbase, Texas. Since its founding in 2002, the compa ...
, and
Bigelow Aerospace Bigelow Aerospace was an American space design and manufacturing company which ceased operations in 2020. It was an aeronautics and outer space technology company which manufactured and developed expandable space station modules. Bigelow Aero ...
. The ten investors were
Paul Allen Paul Gardner Allen (January 21, 1953 – October 15, 2018) was an American businessman, computer programmer, and investor. He co-founded Microsoft, Microsoft Corporation with his childhood friend Bill Gates in 1975, which was followed by the ...
,
Larry Page Lawrence Edward Page (born March 26, 1973) is an American businessman, computer engineer and computer scientist best known for co-founding Google with Sergey Brin. Page was chief executive officer of Google from 1997 until August 2001 when ...
,
Eric Schmidt Eric Emerson Schmidt (born April 27, 1955) is an American businessman and former computer engineer who was the chief executive officer of Google from 2001 to 2011 and the company's chairman, executive chairman from 2011 to 2015. He also was the ...
,
Ram Shriram Kavitark Ram Shriram (born 1956/57) is an American billionaire businessman and philanthropist. He is a founding board member and one of the first investors in Google. He worked earlier in Amazon. Shriram came to Amazon.com in August 1998, when ...
,
Charles Simonyi Charles Simonyi (; , ; born September 10, 1948) is a Hungarian Americans, Hungarian-American software architect. He introduced the graphical user interface to Bill Gates for the first time who later described it as the first of two revolutiona ...
, Ross Perot Jr.,
Jeff Bezos Jeffrey Preston Bezos ( ;; and Robinson (2010), p. 7. ; born January 12, 1964) is an American businessman best known as the founder, executive chairman, and former president and CEO of Amazon, the world's largest e-commerce and clou ...
,
Richard Branson Sir Richard Charles Nicholas Branson (born 18 July 1950) is an English business magnate who co-founded the Virgin Group in 1970, and controlled 5 companies remaining of once more than 400. Branson expressed his desire to become an entrepreneu ...
,
Elon Musk Elon Reeve Musk ( ; born June 28, 1971) is a businessman. He is known for his leadership of Tesla, SpaceX, X (formerly Twitter), and the Department of Government Efficiency (DOGE). Musk has been considered the wealthiest person in th ...
, and Robert Bigelow. At the start of the private space era it was not yet clear to what extent these entrepreneurs see "legitimate business opportunity,
or example Or or OR may refer to: Arts and entertainment Film and television * "O.R.", a 1974 episode of '' M*A*S*H'' * '' Or (My Treasure)'', a 2004 movie from Israel (''Or'' means "light" in Hebrew) Music * ''Or'' (album), a 2002 album by Gold ...
space tourism and other commercial activities in space, or rewealthy men seeking the exclusivity that space offers innovators and investors." There has been speculation as to whether these investments are a "gamble", and whether they will prove lucrative. As of the early 2020s some of these investments have paid off, with Musk's SpaceX coming to dominate the launch market in mass to orbit and with a $100 billion valuation. Other companies such as
Bigelow Aerospace Bigelow Aerospace was an American space design and manufacturing company which ceased operations in 2020. It was an aeronautics and outer space technology company which manufactured and developed expandable space station modules. Bigelow Aero ...
though have collapsed and left the market. Some aerospace startups, such as
Rocket Lab Rocket Lab Corporation is a Public company, publicly traded aerospace manufacturer and List of launch service providers, launch service provider. Its Rocket Lab Electron, Electron orbital rocket launches Small satellite, small satellites, and ha ...
, have gone public via
special-purpose acquisition company A special-purpose acquisition company (SPAC; ), also known as a blank check company or a blind-pool stock offering, is a shell corporation listed on a stock exchange with the purpose of acquiring (or merging with) a private company, thus taking ...
, but their SPAC values have been affected by market volatility.


Venture capital investment

Some investors see the traditional spaceflight industry as ripe for disruption, with "a 100-fold improvement a thousand-fold improvement ". Between 2005 and 2015, there was of
private capital Financial capital (also simply known as capital or equity in finance, accounting and economics) is any economic resource measured in terms of money used by entrepreneurs and businesses to buy what they need to make their products or to provide ...
invested in the space sector, most of it in the United States. This liberalized private space sector investments beginning in the 1980s, with additional legislative reforms in the 1990s–2000s. From 2000 through the end of 2015, a total of of investment finance was invested in the space sector, with of that being
venture capital Venture capital (VC) is a form of private equity financing provided by firms or funds to start-up company, startup, early-stage, and emerging companies, that have been deemed to have high growth potential or that have demonstrated high growth in ...
. In 2015, venture capital firms invested in private spaceflight companies, more than they had in the previous 15 years combined. , the largest and most active investors in space were
Lux Capital Lux Capital is a venture capital firm based in New York City. It was founded in 2000, and focuses on investments in emerging technologies. History Lux Capital was founded in 2000 by Peter Hébert, Robert Paull and Josh Wolfe. In April 2011, for ...
,
Bessemer Venture Partners Bessemer Venture Partners (BVP) is an American venture capital and private equity firm headquartered in San Francisco. Outside the United States, it has offices in India, Israel, Hong Kong, and the United Kingdom. In 2024, Venture Capital Journa ...
,
Khosla Ventures Khosla Ventures is a private American venture capital firm based in Menlo Park, California. It was founded by entrepreneur Vinod Khosla in 2004. The firm works with early-stage companies in the Internet, computing, mobile technology, artifici ...
,
Founders Fund Founders Fund is an American venture capital fund formed in 2005 and based in San Francisco. The fund has roughly $17 billion in total assets under management as of 2025. Founders Fund was the first institutional investor in Space Exploration T ...
,
RRE Ventures RRE Ventures is an American Venture capital firm based in New York City. The firm primarily invests in seed, series A and series B rounds and focuses on companies operating in the software, internet, communications, aerospace, robotics, 3D pr ...
and
Draper Fisher Jurvetson Draper Fisher Jurvetson (DFJ) is an American venture capital firm. In January 2019, DFJ Venture, the early-stage team, spun out and formed Threshold Ventures. DFJ Growth continues to be managed by co-founder John Fisher and co-founders Mark Ba ...
. Increasing interest by investors in economically driven spaceflight had begun to appear by 2016, and some space ventures had to turn away investor funding. CBInsights in August 2016 published that funding to space startups was "in a slump", although the number of space investment deals per quarter had gone from 2 or 3 in 2012 to 14 by 2015. In 2017, CB Insights ranked the most active space tech investors, ranked from highest to lowest, were Space Angels Networks, Founders Fund, RRE Ventures, Data Collective, Bessemer, Lux Capital,
Alphabet An alphabet is a standard set of letter (alphabet), letters written to represent particular sounds in a spoken language. Specifically, letters largely correspond to phonemes as the smallest sound segments that can distinguish one word from a ...
,
Tencent Holdings Tencent Holdings Ltd. ( zh, s=腾讯, p=Téngxùn) is a Chinese multinational technology conglomerate and holding company headquartered in Shenzhen. It is one of the highest grossing multimedia companies in the world based on revenue. It is ...
, and Rothenberg Ventures. In June 2019, Miriam Kramer of
Axios Axios commonly refers to: * Axios (river), a river that runs through Greece and North Macedonia * ''Axios'' (website), an American news and information website Axios may also refer to: Brands and enterprises * Axios, a brand of suspension produ ...
wrote that private spaceflight companies and investors were poised to capitalize on NASA's plan to open up the International Space Station to commercial space ventures.


Commercial launchers

The space transport business has, historically, had its primary customers in national governments and large commercial segments. Launches of government
payloads Payload is the object or the entity that is being carried by an aircraft or launch vehicle. Sometimes payload also refers to the carrying capacity of an aircraft or launch vehicle, usually measured in terms of weight. Depending on the nature of t ...
, including military, civilian and scientific satellites, was the largest market segment in 2007 at nearly $100 billion a year. This segment was dominated by domestic favorites such as the
United Launch Alliance United Launch Alliance, LLC (ULA) is an American launch service provider formed in December 2006 as a joint venture between Lockheed Martin Space and Boeing Defense, Space & Security. The company designs, assembles, sells and launches rockets ...
for U.S. government payloads and
Arianespace Arianespace SA is a French company founded in March 1980 as the world's first commercial launch service provider. It operates two launch vehicles: Vega C, a Small-lift launch vehicle, small-lift rocket, and Ariane 6, a Medium-lift launch vehicl ...
for European satellites until the 2020s when NewSpace launch providers like SpaceX and Blue Origin were able to compete for these contracts.


US government commercial cargo services

The
US government The Federal Government of the United States of America (U.S. federal government or U.S. government) is the national government of the United States. The U.S. federal government is composed of three distinct branches: legislative, execut ...
determined to begin a process to purchase
orbital launch An orbital spaceflight (or orbital flight) is a spaceflight in which a spacecraft is placed on a trajectory where it could remain in space for at least one orbit. To do this around the Earth, it must be on a free trajectory which has an altitud ...
services for cargo deliveries to the
International Space Station The International Space Station (ISS) is a large space station that was Assembly of the International Space Station, assembled and is maintained in low Earth orbit by a collaboration of five space agencies and their contractors: NASA (United ...
(ISS) beginning in the mid-2000s, rather than operate the launch and delivery services as they had with the
Space Shuttle The Space Shuttle is a retired, partially reusable launch system, reusable low Earth orbital spacecraft system operated from 1981 to 2011 by the U.S. National Aeronautics and Space Administration (NASA) as part of the Space Shuttle program. ...
, which was to retire in less than half a decade, and ultimately did retire in 2011. On 18 January 2006, NASA announced an opportunity for US commercial providers to demonstrate orbital transportation services. As of 2008, NASA planned to spend $500 million through 2010 to finance development of
private sector The private sector is the part of the economy which is owned by private groups, usually as a means of establishment for profit or non profit, rather than being owned by the government. Employment The private sector employs most of the workfo ...
capability to transport payloads to the
International Space Station The International Space Station (ISS) is a large space station that was Assembly of the International Space Station, assembled and is maintained in low Earth orbit by a collaboration of five space agencies and their contractors: NASA (United ...
(ISS). This was considered more challenging than then-available commercial space transportation because it would require precision
orbit insertion In spaceflight an orbit insertion is an orbital maneuver which adjusts a spacecraft’s trajectory, allowing entry into an orbit around a planet, moon, or other celestial body, becoming an artificial satellite. An orbiter is a spacecraft designed ...
,
rendezvous Rendezvous or rendez-vous may refer to: Arts and entertainment Film and television * ''The Rendezvous'' (1923 film), a silent film adventure melodrama * ''Rendezvous'' (1930 film), a German musical directed by Carl Boese * ''Rendezvous ...
and possibly docking with another spacecraft. The commercial vendors competed in specific service areas. In August 2006, NASA announced that two relatively young aerospace companies,
SpaceX Space Exploration Technologies Corp., commonly referred to as SpaceX, is an America, American space technology company headquartered at the SpaceX Starbase, Starbase development site in Starbase, Texas. Since its founding in 2002, the compa ...
and
Rocketplane Kistler Rocketplane Kistler (RpK) was a reusable launch system firm originally based in Oklahoma. It was formed in 2006 after Rocketplane Limited, Inc. acquired Kistler Aerospace. NASA announced that Rocketplane Kistler had been chosen to develop crew a ...
, had been awarded $278 million and $207 million, respectively, under the COTS program. In 2008, NASA anticipated that commercial cargo delivery services to and return services from the ISS would be necessary through at least 2015. The NASA Administrator suggested that space transportation services procurement may be expanded to orbital fuel depots and
lunar surface The geology of the Moon (sometimes called selenology, although the latter term can refer more generally to "lunar science") is the structure and composition of the Moon, which is quite different from that of Earth. The Moon lacks a true atmosphe ...
deliveries should the first phase of COTS prove successful. After it transpired that Rocketplane Kistler was failing to meet its contractual deadlines, NASA terminated its contract with the company in August 2008, after only $32 million had been spent. Several months later, in December 2008, NASA awarded the remaining $170 million in that contract to
Orbital Sciences Corporation Orbital Sciences Corporation (commonly referred to as Orbital) was an American company specializing in the design, manufacture, and launch of small- and medium- class space and launch vehicle systems for commercial, military and other governmen ...
to develop resupply services to the ISS.


Emerging personal spaceflight

Before 2004, the year it was legalized in the US, no privately operated crewed spaceflight had ever occurred. The only private individuals to journey to space went as
space tourists Space tourism is human space travel for recreational purposes. There are several different types of space tourism, including orbital, suborbital and lunar space tourism. Tourists are motivated by the possibility of viewing Earth from space, ...
in the
Space Shuttle The Space Shuttle is a retired, partially reusable launch system, reusable low Earth orbital spacecraft system operated from 1981 to 2011 by the U.S. National Aeronautics and Space Administration (NASA) as part of the Space Shuttle program. ...
or on Russian
Soyuz Soyuz is a transliteration of the Cyrillic text Союз (Russian language, Russian and Ukrainian language, Ukrainian, 'Union'). It can refer to any union, such as a trade union (''profsoyuz'') or the Soviet Union, Union of Soviet Socialist Republi ...
flights to
Mir ''Mir'' (, ; ) was a space station operated in low Earth orbit from 1986 to 2001, first by the Soviet Union and later by the Russia, Russian Federation. ''Mir'' was the first modular space station and was assembled in orbit from 1986 to ...
or the
International Space Station The International Space Station (ISS) is a large space station that was Assembly of the International Space Station, assembled and is maintained in low Earth orbit by a collaboration of five space agencies and their contractors: NASA (United ...
. All private individuals who flew to space before
Dennis Tito Dennis Anthony Tito (born August 8, 1940) is an American engineer and entrepreneur. During mid-2001, he became the first space tourism, space tourist to fund his own visit to space, when he spent nearly eight days in orbit as a crew member of IS ...
's self-financed International Space Station visit in 2001 had been sponsored by their home governments or by private corporations. Those trips include US Congressman Bill Nelson's January 1986 flight on the Space Shuttle ''Columbia'' and Japanese television reporter
Toyohiro Akiyama is a retired Japanese TV journalist and professor at Kyoto University of Art and Design. In December 1990, he spent seven days aboard the Mir space station. He became the first person of Japanese people, Japanese nationality to fly in space, ...
's 1990 flight to the
Mir ''Mir'' (, ; ) was a space station operated in low Earth orbit from 1986 to 2001, first by the Soviet Union and later by the Russia, Russian Federation. ''Mir'' was the first modular space station and was assembled in orbit from 1986 to ...
Space Station. The
Ansari X PRIZE The Ansari X Prize was a space competition in which the X Prize Foundation offered a US$10,000,000 () prize for the first non-government organization to launch a reusable crewed spacecraft into space twice within two weeks. It was modeled af ...
was intended to stimulate private investment in the development of spaceflight technologies. 21 June 2004, test flight of
SpaceShipOne SpaceShipOne is an experimental air launch, air-launched rocket-powered aircraft with sub-orbital spaceflight capability at speeds of up to / using a hybrid rocket motor. The design features a unique "Feathering (reentry), feathering" atmosph ...
, a contender for the X PRIZE, was the first
human spaceflight Human spaceflight (also referred to as manned spaceflight or crewed spaceflight) is spaceflight with a crew or passengers aboard a spacecraft, often with the spacecraft being operated directly by the onboard human crew. Spacecraft can also be ...
in a privately developed and operated vehicle. On 27 September 2004, following the success of SpaceShipOne,
Richard Branson Sir Richard Charles Nicholas Branson (born 18 July 1950) is an English business magnate who co-founded the Virgin Group in 1970, and controlled 5 companies remaining of once more than 400. Branson expressed his desire to become an entrepreneu ...
, owner of
Virgin Virginity is a social construct that denotes the state of a person who has never engaged in sexual intercourse. As it is not an objective term with an operational definition, social definitions of what constitutes virginity, or the lack thereof ...
and
Burt Rutan Elbert Leander "Burt" Rutan (; born June 17, 1943) is a retired American aerospace engineer and entrepreneur noted for his originality in designing light, strong, unusual-looking, and energy-efficient air and space craft. He designed the recor ...
, SpaceShipOne's designer, announced that
Virgin Galactic Virgin Galactic Holdings, Inc. is a British-American spaceflight company founded by Richard Branson and the Virgin Group conglomerate, which retains an 11.9% stake through Virgin Investments Limited. It is headquartered in California, and opera ...
had licensed the craft's technology, and were planning commercial space flights in 2.5 to 3 years. A fleet of five craft (
SpaceShipTwo The Scaled Composites Model 339 SpaceShipTwo (SS2) was an air-launched suborbital spaceplane type designed for space tourism. It was manufactured by The Spaceship Company, a California-based company owned by Virgin Galactic. SpaceShipTwo was ...
, launched from the
WhiteKnightTwo The Scaled Composites Model 348 White Knight Two (WK2) is a quadjet cargo aircraft that was used to lift the SpaceShipTwo (SS2) spacecraft to release altitude. It was developed by Scaled Composites from 2007 to 2010 as the first stage of Tier 1b, ...
carrier airplane) were to be constructed, and flights would be offered at around $200,000 each, although Branson said he planned to use this money to make flights more affordable in the long term. A test flight of SpaceShipTwo in October 2014 resulted in a crash during one of the two pilots died. In December 2004, United States President
George W. Bush George Walker Bush (born July 6, 1946) is an American politician and businessman who was the 43rd president of the United States from 2001 to 2009. A member of the Bush family and the Republican Party (United States), Republican Party, he i ...
signed into law the Commercial Space Launch Amendments Act. The Act resolved the regulatory ambiguity surrounding private spaceflights and is designed to promote the development of the emerging U.S. commercial human space flight industry. On 12 July 2006,
Bigelow Aerospace Bigelow Aerospace was an American space design and manufacturing company which ceased operations in 2020. It was an aeronautics and outer space technology company which manufactured and developed expandable space station modules. Bigelow Aero ...
launched the ''
Genesis I ''Genesis I'' is an experimental space habitat designed and built by the private American firm Bigelow Aerospace and launched in 2006. It was the first module to be sent into orbit by the company, and tested various systems, materials and tec ...
'', a subscale pathfinder of an orbital space station module. '' Genesis II'' was launched on 28 June 2007, and there are plans for additional prototypes to be launched in preparation for the production model ''
BA 330 The B330 (previously known as the Nautilus space complex module and BA 330) was an inflatable space habitat privately developed by Bigelow Aerospace from 2010 until 2020. The design was evolved from NASA's TransHab habitat concept. B330 was t ...
'' spacecraft. In November 2009,
Zero 2 Infinity Zero 2 Infinity (0II∞, sometimes rendered as Zero2Infinity) is a private Spanish company developing high-altitude balloons intended to provide access to near space and low Earth orbit using a balloon-borne pod and a balloon-borne launch vehi ...
, a Spanish aerospace company announced plans for a balloon-based nears space tourism vehicle called Bloon. Then in 2015 it started developing a
high-altitude balloon High-altitude balloons or stratostats are usually uncrewed balloons typically filled with helium or hydrogen and released into the stratosphere, generally attaining between above sea level. In 2013, a balloon named BS 13-08 reached a record alti ...
-based
launch vehicle A launch vehicle is typically a rocket-powered vehicle designed to carry a payload (a crewed spacecraft or satellites) from Earth's surface or lower atmosphere to outer space. The most common form is the ballistic missile-shaped multistage ...
named
bloostar Zero 2 Infinity (0II∞, sometimes rendered as Zero2Infinity) is a private Spanish company developing high-altitude balloons intended to provide access to near space and low Earth orbit using a balloon-borne pod and a balloon-borne launch vehi ...
to launch small satellites to orbit for customers, as well as platform for near-space tourism.
World View A worldview (also world-view) or is said to be the fundamental cognitive orientation of an individual or society encompassing the whole of the individual's or society's knowledge, culture, and point of view. However, when two parties view the s ...
, a stratospheric balloon exploration company based in Tucson, Ariz., is similarly leveraging its stratospheric balloon technology to launch its
remote sensing Remote sensing is the acquisition of information about an physical object, object or phenomenon without making physical contact with the object, in contrast to in situ or on-site observation. The term is applied especially to acquiring inform ...
services for government and commercial customers, as well as developing its own space tourism offering that would lift passengers up to 100,000 feet for a 6-8 journey. Similar projects of stratospheric balloon tourism are being developed by multiple other companies around the world (Zephalto, Space Perspective,...), though none has yet made a high altitude crewed flight (as of Aug. 2022). On July 11, 2021,
Richard Branson Sir Richard Charles Nicholas Branson (born 18 July 1950) is an English business magnate who co-founded the Virgin Group in 1970, and controlled 5 companies remaining of once more than 400. Branson expressed his desire to become an entrepreneu ...
and
Virgin Galactic Virgin Galactic Holdings, Inc. is a British-American spaceflight company founded by Richard Branson and the Virgin Group conglomerate, which retains an 11.9% stake through Virgin Investments Limited. It is headquartered in California, and opera ...
made their first successful flight to space. On July 20, 2021,
Jeff Bezos Jeffrey Preston Bezos ( ;; and Robinson (2010), p. 7. ; born January 12, 1964) is an American businessman best known as the founder, executive chairman, and former president and CEO of Amazon, the world's largest e-commerce and clou ...
and
Blue Origin Blue Origin Enterprises, L.P. is an American space technology company headquartered in Kent, Washington. The company operates the suborbital New Shepard rocket and the heavy-lift New Glenn rocket. In addition to producing engines for its own ...
also made a successful flight to space. On September 16, 2021,
Crew Dragon Dragon 2 is a class of partially reusable spacecraft developed, manufactured, and operated by the American space company SpaceX for flights to the International Space Station (ISS) and private spaceflight missions. The spacecraft, which consi ...
''Resilience''
Inspiration4 Inspiration4 (stylized as Inspirati④n) was a 2021 human spaceflight operated by SpaceX on behalf of Shift4 Payments CEO Jared Isaacman. The mission launched the Crew Dragon Crew Dragon Resilience, ''Resilience'' on 16 September 2021 at 00:02: ...
mission operated by
SpaceX Space Exploration Technologies Corp., commonly referred to as SpaceX, is an America, American space technology company headquartered at the SpaceX Starbase, Starbase development site in Starbase, Texas. Since its founding in 2002, the compa ...
became the first
orbital spaceflight An orbital spaceflight (or orbital flight) is a spaceflight in which a spacecraft is placed on a trajectory where it could remain in space for at least one orbit. To do this around the Earth, it must be on a free trajectory which has an altit ...
with only private citizens aboard. In September 2024, the SpaceX mission
Polaris Dawn Polaris Dawn was a Private spaceflight, private crewed spaceflight operated by SpaceX on behalf of Shift4 CEO Jared Isaacman, the first of three planned missions in the Polaris program. Launched 10 September 2024 as the 14th crewed orbital flight ...
included the first private spacewalk. On April 1,
Fram2 Fram2 was a private human spaceflight mission operated by SpaceX with a Crew Dragon spacecraft on behalf of entrepreneur Chun Wang. During the mission, Wang and his all-civilian crew— Jannicke Mikkelsen, Rabea Rogge and Eric Philips—wer ...
is an ongoing private human spaceflight mission that is being operated by
SpaceX Space Exploration Technologies Corp., commonly referred to as SpaceX, is an America, American space technology company headquartered at the SpaceX Starbase, Starbase development site in Starbase, Texas. Since its founding in 2002, the compa ...
with a
Crew Dragon Dragon 2 is a class of partially reusable spacecraft developed, manufactured, and operated by the American space company SpaceX for flights to the International Space Station (ISS) and private spaceflight missions. The spacecraft, which consi ...
spacecraft on behalf of entrepreneur Chun Wang. During the mission, Wang and his all-civilian crew — Jannicke Mikkelsen,
Rabea Rogge Rabea Patricia Rogge is an electrical engineer, robotic researcher, polar scientist and private astronaut who flew on the SpaceX Crew Dragon ''Resilience'', as part of the Fram2 mission. She is the first female German astronaut. Biography Rabe ...
and Eric Philips — were launched into a
polar orbit A polar orbit is one in which a satellite passes above or nearly above both poles of the body being orbited (usually a planet such as the Earth, but possibly another body such as the Moon or Sun) on each revolution. It has an inclination of abo ...
, a first for a human spaceflight mission.


Private foundations

The
B612 Foundation The B612 Foundation is a private nonprofit foundation headquartered in Mill Valley, California, United States, dedicated to planetary science and planetary defense against asteroids and other near-Earth object (NEO) impacts. It is led mainly ...
was designing and building an
asteroid An asteroid is a minor planet—an object larger than a meteoroid that is neither a planet nor an identified comet—that orbits within the Solar System#Inner Solar System, inner Solar System or is co-orbital with Jupiter (Trojan asteroids). As ...
-finding space telescope named
Sentinel Sentinel may refer to: Places Mountains * Mount Sentinel, a mountain next to the University of Montana in Missoula, Montana * Sentinel Buttress, a volcanic crag on James Ross Island, Antarctica * Sentinel Dome, a naturally occurring granit ...
. It would have launched in 2016.
The Planetary Society The Planetary Society is an American internationally-active non-governmental nonprofit organization. It is involved in research, public outreach, and political space advocacy for engineering projects related to astronomy, planetary science, a ...
, a nonprofit space research and advocacy organization, has sponsored a series of small satellites to test the feasibility of
solar sail Solar sails (also known as lightsails, light sails, and photon sails) are a method of spacecraft propulsion using radiation pressure exerted by sunlight on large surfaces. A number of spaceflight missions to test solar propulsion and navigati ...
ing. Their first such project,
Cosmos 1 Cosmos 1 was a project by Cosmos Studios and The Planetary Society to test a solar sail in space. As part of the project, an uncrewed solar-sail spacecraft named ''Cosmos 1'' was launched into space at 19:46:09 Coordinated Universal Time, UTC ...
, was launched in 2005 but failed to reach space, and was succeeded by the
Lightsail LightSail is a project to demonstrate controlled solar sailing within low Earth orbit using a CubeSat. The project was developed by The Planetary Society, a global non-profit organization devoted to space exploration. It consists of two spacecr ...
series, the first of which launched on 20 May 2015. A second spacecraft is expected to launch in 2016 on a more complex mission.
Copenhagen Suborbitals Copenhagen Suborbitals is a crowd-funded human space program. It has flown six home-built rockets and capsules since 2011. The organization successfully launched its Nexø II rocket in the summer of 2018. Its stated goal is to have one of its me ...
is a crowd funded amateur crewed space programme. it has flown four home-built rockets and two mock-up space capsules.


Plans

Many have speculated on where private spaceflight may go in the near future. Numerous projects of orbital and suborbital launch systems for satellites and crewed flights exist. Some orbital crewed missions would be state-sponsored like most COTS participants. (that develop their own launch systems). Another possibility is for paid suborbital tourism on craft like those from
Virgin Galactic Virgin Galactic Holdings, Inc. is a British-American spaceflight company founded by Richard Branson and the Virgin Group conglomerate, which retains an 11.9% stake through Virgin Investments Limited. It is headquartered in California, and opera ...
,
Space Adventures Space Adventures, Inc. is an American space tourism company founded in 1998 by Eric C. Anderson. Its offerings include zero-gravity atmospheric flights, orbital spaceflights (with the option to participate in a spacewalk), and other spacefl ...
,
XCOR Aerospace XCOR Aerospace was an American private spaceflight and rocket engine development company based at the Mojave Air and Space Port in Mojave, California, Midland International Air and Spaceport in Midland, Texas and the Amsterdam area, the Netherl ...
, RocketShip Tours,
ARCASPACE Romanian Cosmonautics and Aeronautics Association (), also known as ARCAspace, is an aerospace company based in Râmnicu Vâlcea, Romania. It builds rockets, high-altitude balloons, and UAV, unmanned aerial vehicles. It was founded in 1999 as a ...
,
PlanetSpace PlanetSpace was a privately funded Chicago-based rocket and Spaceflight, space travel project founded by Geoff Sheerin, CEO of the Canadian Arrow corporation. The owner was Dr. Chirinjeev Kathuria. In February, 2007, NASA announced plans to prov ...
- Canadian Arrow, British
Starchaser Industries Starchaser Industries is a privately-owned space tourism company based in the UK. Formed i1992 the company designed and built several prototype rocket systems for space tourism vehicles. Starchaser's rocket NOVA 1 launched in 2001 from More ...
or non-commercial like
Copenhagen Suborbitals Copenhagen Suborbitals is a crowd-funded human space program. It has flown six home-built rockets and capsules since 2011. The organization successfully launched its Nexø II rocket in the summer of 2018. Its stated goal is to have one of its me ...
. Additionally, suborbital spacecraft have applications for faster intercontinental package delivery and passenger flight.


Private orbital spaceflight, space stations

SpaceX Space Exploration Technologies Corp., commonly referred to as SpaceX, is an America, American space technology company headquartered at the SpaceX Starbase, Starbase development site in Starbase, Texas. Since its founding in 2002, the compa ...
's
Falcon 9 Falcon 9 is a Reusable launch system#Partial reusable launch systems, partially reusable, two-stage-to-orbit, medium-lift launch vehicle designed and manufactured in the United States by SpaceX. The first Falcon 9 launch was on June 4, 2010, an ...
rocket, first launched in 2010 with no passengers, was designed to be subsequently
human-rated Human-rating certification, also known as man-rating or crew-rating, is the certification of a spacecraft or launch vehicle as capable of safely transporting humans. There is no one particular standard for human-rating a spacecraft or launch veh ...
. The
Atlas V Atlas V is an expendable launch system and the fifth major version in the Atlas (rocket family), Atlas launch vehicle family. It was developed by Lockheed Martin and has been operated by United Launch Alliance (ULA) since 2006. Primarily used to ...
launch vehicle is also a contender for human-rating. Plans and a full-scale prototype for the
SpaceX Dragon Dragon is a family of spacecraft developed and produced by American private space transportation company SpaceX. The first variant, later named SpaceX Dragon 1, Dragon 1, flew 23 cargo missions to the International Space Station (ISS) between ...
, a capsule capable of carrying up to seven passengers, were announced in March 2006, and Dragon version 2 flight hardware was unveiled in May 2014. , both SpaceX and
Boeing The Boeing Company, or simply Boeing (), is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, and missiles worldwide. The company also provides leasing and product support s ...
have received contracts from NASA to complete building, testing, and flying up to six flights of human-rated space capsules to the
International Space Station The International Space Station (ISS) is a large space station that was Assembly of the International Space Station, assembled and is maintained in low Earth orbit by a collaboration of five space agencies and their contractors: NASA (United ...
beginning in 2017 as part of the
Commercial Crew Program The Commercial Crew Program (CCP) provides Private spaceflight, commercially operated human spaceflight, crew transportation service to and from the International Space Station (ISS) under contract to NASA, conducting crew rotations between t ...
. In December 2010, SpaceX launched the second Falcon 9 and the first operational Dragon spacecraft. The mission was deemed fully successful, marking the first launch to space, atmospheric reentry and recovery of a capsule by a private company. Subsequent
COTS COTS may refer to: * Commercial off-the-shelf, products that are commercially available and can be bought "as is" * Commercial Orbital Transportation Services, a NASA program for delivery to the International Space Station by private companies * ...
missions included increasingly complex orbital tasks, culminating in Dragon first docking to the ISS in 2012. The British Government partnered in 2015 with the
ESA The European Space Agency (ESA) is a 23-member international organization devoted to space exploration. With its headquarters in Paris and a staff of around 2,547 people globally as of 2023, ESA was founded in 1975 in the context of European ...
to promote a possibly commercial
single-stage to orbit A single-stage-to-orbit (SSTO) vehicle reaches orbit from the surface of a body using only propellants and fluids and without expending tanks, engines, or other major hardware. The term usually, but not exclusively refers to reusable vehicles. ...
spaceplane A spaceplane is a vehicle that can flight, fly and gliding flight, glide as an aircraft in Earth's atmosphere and function as a spacecraft in outer space. To do so, spaceplanes must incorporate features of both aircraft and spacecraft. Orbit ...
concept called
Skylon Skylon may refer to: * Skylon (Festival of Britain), a landmark structure of the 1951 Festival of Britain * Skylon (spacecraft) Skylon was a series of concept designs for a reusable single-stage-to-orbit spaceplane by the British company React ...
. This design was pioneered by the privately held
Reaction Engines Limited Reaction Engines Limited (REL) was a British aerospace manufacturer founded in 1989 and based in Oxfordshire, England. The company also operated in the USA, where it used the name Reaction Engines Inc. (REI). REL entered administration on 31 ...
, a company founded by
Alan Bond Alan Bond (22 April 1938 – 5 June 2015) was an English-born Australian businessman noted for his high-profile and often corrupt business dealings. These included his central role in the WA Inc scandals of the 1980s; the biggest corporate co ...
after
HOTOL HOTOL, for Horizontal Take-Off and Landing, was a 1980s British design for a single-stage-to-orbit (SSTO) spaceplane that was to be powered by an airbreathing jet engine. Development was being conducted by a consortium led by Rolls-Royce and Br ...
was canceled. As of 2012, private company
NanoRacks Nanoracks LLC is an American private in-space services company which builds space hardware and in-space repurposing tools. The company also facilitates experiments and launches of CubeSats to Low Earth Orbit. Nanoracks's main office is in H ...
provides commercial access to the US National Laboratory space on the
International Space Station The International Space Station (ISS) is a large space station that was Assembly of the International Space Station, assembled and is maintained in low Earth orbit by a collaboration of five space agencies and their contractors: NASA (United ...
(ISS). Science experiments can be conducted on a variety of standard rack-sized experimental platforms, with
standard Standard may refer to: Symbols * Colours, standards and guidons, kinds of military signs * Standard (emblem), a type of a large symbol or emblem used for identification Norms, conventions or requirements * Standard (metrology), an object ...
interfaces for power and data acquisition.


On-orbit propellant depots

In a presentation given 15 November 2005 to the 52nd Annual Conference of the
American Astronautical Society Formed in 1954, the American Astronautical Society (AAS) is an independent scientific and technical group in the United States dedicated to the advancement of space science and space exploration. AAS supports NASA The National Aeronau ...
, NASA Administrator Michael D. Griffin suggested that establishing an on-orbit propellant depot is, "Exactly the type of enterprise which should be left to industry and to the marketplace." At the Space Technology and Applications International Forum in 2007, Dallas Bienhoff of
Boeing The Boeing Company, or simply Boeing (), is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, and missiles worldwide. The company also provides leasing and product support s ...
made a presentation detailing the benefits of propellant depots.
Shackleton Energy Company Shackleton Energy Company was a Texas company (2007–mid-2010s) formed to build equipment and technologies necessary for mining the Moon. They failed to secure funding and have met no public milestones. History Shackleton was formed in 2007 i ...
has established operational plans, an extensive teaming and industrial consortium for developing LEO Propellant Depots supplied by Lunar polar sourced water ice.Shackleton Energy's cislunar economic development plans
David Livingston interview with James Keravala, ''The Space Show'', 14 December 2012, accessed 3 January 2013.


Asteroid mining

Some have speculated on the profitability of
mining Mining is the Resource extraction, extraction of valuable geological materials and minerals from the surface of the Earth. Mining is required to obtain most materials that cannot be grown through agriculture, agricultural processes, or feasib ...
metal A metal () is a material that, when polished or fractured, shows a lustrous appearance, and conducts electrical resistivity and conductivity, electricity and thermal conductivity, heat relatively well. These properties are all associated wit ...
from
asteroids An asteroid is a minor planet—an object larger than a meteoroid that is neither a planet nor an identified comet—that orbits within the Solar System#Inner Solar System, inner Solar System or is co-orbital with Jupiter (Trojan asteroids). As ...
. According to some estimates, a one kilometer-diameter asteroid would contain 30 million tons of nickel, 1.5 million tons of metal
cobalt Cobalt is a chemical element; it has Symbol (chemistry), symbol Co and atomic number 27. As with nickel, cobalt is found in the Earth's crust only in a chemically combined form, save for small deposits found in alloys of natural meteoric iron. ...
and 7,500tons of
platinum Platinum is a chemical element; it has Symbol (chemistry), symbol Pt and atomic number 78. It is a density, dense, malleable, ductility, ductile, highly unreactive, precious metal, precious, silverish-white transition metal. Its name origina ...
; the platinum alone would have a value of more than $150 billion at 2008 terrestrial prices.


Space elevators

A
space elevator A space elevator, also referred to as a space bridge, star ladder, and orbital lift, is a proposed type of planet-to-space transportation system, often depicted in science fiction. The main component would be a cable (also called a tether) an ...
system is a possible launch system, currently under investigation by at least one private venture. There are concerns over cost, general feasibility and some political issues. On the plus side the potential to scale the system to accommodate traffic would (in theory) be greater than some other alternatives. Some factions contend that a space elevator — if successful — would not supplant existing launch solutions but complement them.


Non-launched efforts


Failed spaceflight ventures

After earlier first effort of OTRAG, in the 1990s the projection of a significant demand for
communications satellite A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a Transponder (satellite communications), transponder; it creates a communication channel between a source transmitter and a Rad ...
launches attracted the development of a number of commercial space launch providers. The launch demand largely vanished when some of the largest satellite constellations, such as 288 satellite
Teledesic Teledesic was a company founded in the 1990s to build a commercial broadband satellite internet constellation. Using low-Earth-orbiting satellites small antennas could be used to provide uplinks of as much as 100 Mbit/s and downlinks of up t ...
network, were never built. In 1996,
NASA The National Aeronautics and Space Administration (NASA ) is an independent agencies of the United States government, independent agency of the federal government of the United States, US federal government responsible for the United States ...
selected
Lockheed Martin The Lockheed Martin Corporation is an American Arms industry, defense and aerospace manufacturer with worldwide interests. It was formed by the merger of Lockheed Corporation with Martin Marietta on March 15, 1995. It is headquartered in North ...
Skunk Works Skunk Works is an official pseudonym for Lockheed Martin's Advanced Development Programs (ADP), formerly called Lockheed Advanced Development Projects. It is responsible for a number of aircraft designs, highly classified research and developme ...
to build the X-33
VentureStar VentureStar was a single-stage-to-orbit reusable launch system proposed by Lockheed Martin and funded by the U.S. government. The goal was to replace the Space Shuttle by developing a re-usable spaceplane that could launch satellites into orbit a ...
prototype for a single stage to orbit (
SSTO A single-stage-to-orbit (SSTO) vehicle reaches orbit from the surface of a body using only propellants and fluids and without expending tanks, engines, or other major hardware. The term usually, but not exclusively refers to reusable vehicles. ...
)
reusable launch vehicle A reusable launch vehicle has parts that can be recovered and reflown, while carrying payloads from the surface to outer space. Rocket stages are the most common launch vehicle parts aimed for reuse. Smaller parts such as fairings, booster ...
. In 1999, the subscale X-33 prototype's composite liquid hydrogen fuel tank failed during testing. At project termination on 31 March 2001, NASA had funded US$912 million of this wedge-shaped spacecraft while Lockheed Martin financed US$357 million of it. The
VentureStar VentureStar was a single-stage-to-orbit reusable launch system proposed by Lockheed Martin and funded by the U.S. government. The goal was to replace the Space Shuttle by developing a re-usable spaceplane that could launch satellites into orbit a ...
was to have been a full-scale commercial space transport operated by Lockheed Martin. In 1997,
Beal Aerospace Beal Aerospace was a launch vehicle development company founded in February 1997 by Andrew Beal, president of Beal Bank in Dallas, Texas. Headquartered in Frisco, Texas, the goal of the company was to build and operate a privately developed heavy ...
proposed the BA-2, a low-cost heavy-lift commercial launch vehicle. On 4 March 2000, the BA-2 project tested the largest
liquid rocket A liquid-propellant rocket or liquid rocket uses a rocket engine burning liquid rocket propellant, liquid propellants. (Alternate approaches use gaseous or Solid-propellant rocket , solid propellants.) Liquids are desirable propellants because th ...
engine built since the
Saturn V The Saturn V is a retired American super heavy-lift launch vehicle developed by NASA under the Apollo program for human exploration of the Moon. The rocket was human-rated, had multistage rocket, three stages, and was powered by liquid-propel ...
. In October 2000, Beal Aerospace ceased operations citing a decision by
NASA The National Aeronautics and Space Administration (NASA ) is an independent agencies of the United States government, independent agency of the federal government of the United States, US federal government responsible for the United States ...
and the
Department of Defense The United States Department of Defense (DoD, USDOD, or DOD) is an executive department of the U.S. federal government charged with coordinating and supervising the six U.S. armed services: the Army, Navy, Marines, Air Force, Space Force, ...
to commit themselves to the development of the competing government-financed EELV program. In 1998,
Rotary Rocket Rotary Rocket Company was a rocketry company that developed the Roton concept in the late 1990s as a fully reusable single-stage-to-orbit (SSTO) crewed spacecraft. The design was initially conceived by Bevin McKinney, who shared it with Gary Hud ...
proposed the Roton, a Single Stage to Orbit (
SSTO A single-stage-to-orbit (SSTO) vehicle reaches orbit from the surface of a body using only propellants and fluids and without expending tanks, engines, or other major hardware. The term usually, but not exclusively refers to reusable vehicles. ...
) piloted Vertical Take-off and Landing (
VTOL A vertical take-off and landing (VTOL) aircraft is one that can takeoff and landing, take off and land vertically without relying on a runway. This classification can include a variety of types of aircraft including helicopters as well as thrust- ...
) space transport. A full scale Roton Atmospheric Test Vehicle flew three times in 1999. After spending tens of millions of dollars in development the Roton failed to secure launch contracts and Rotary Rocket ceased operations in 2001. On 28 September 2006,
Jim Benson James William Benson (April 3, 1945 – October 10, 2008) was an American aerospace entrepreneur who founded SpaceDev, a commercial satellite and satellite component development company, and the Benson Space Company, a civilian spaceflight venture ...
,
SpaceDev SpaceDev, a part of the "Space Systems Business" of Sierra Nevada Corporation, is prominent for its spaceflight and Microsatellite (spaceflight), microsatellite work. It designed and built components for the hybrid rocket motors for Paul Allen ...
founder, announced he was founding Benson Space Company with the intention of being first to market with the safest and lowest cost suborbital personal spaceflight launches, using the vertical takeoff and horizontal landing
Dream Chaser Dream Chaser is an American reusable lifting-body spaceplane developed by Sierra Space. Originally intended as a crewed vehicle, the Dream Chaser Space System is set to be produced after the Dream Chaser Cargo System cargo variant is opera ...
vehicle based on the NASA HL-20 Personnel Launch System vehicle.
Excalibur Almaz Excalibur Almaz Limited, formerly Excalibur Almaz Inc. (EAI),is an international commercial spaceflight company based in the Isle of Man. History Excalibur Almaz had its headquarters in Douglas, Isle of Man, with offices in Houston, Los Angel ...
had plans in 2007 to launch a modernized
TKS Spacecraft The TKS spacecraft (, , ''Transport Supply Spacecraft'', GRAU index 11F72) was a Soviet spacecraft conceived in the late 1960s for resupply flights to the military Almaz space station. The spacecraft was designed for both crewed and autonomous ...
(for
Almaz The Almaz () program was a highly secret Soviet Union, Soviet military space station program, begun in the early 1960s. Three crewed military reconnaissance stations were launched between 1973 and 1976: Salyut 2, Salyut 3 and Salyut 5. To co ...
space station), for tourism and other uses. It was to feature the largest window ever on a spacecraft. Their equipment was never launched, and their hangar facility closed in 2016. It is to be converted into an educational exhibit. Escape Dynamics operated from 2010 to 2015, with the goal of making single stage to orbit spaceplanes. In December 2012, the Golden Spike Company announced plans to privately transport space exploration participants to the surface of the
Moon The Moon is Earth's only natural satellite. It Orbit of the Moon, orbits around Earth at Lunar distance, an average distance of (; about 30 times Earth diameter, Earth's diameter). The Moon rotation, rotates, with a rotation period (lunar ...
and return, beginning as early as 2020, for US$750 million per passenger.
XCOR Aerospace XCOR Aerospace was an American private spaceflight and rocket engine development company based at the Mojave Air and Space Port in Mojave, California, Midland International Air and Spaceport in Midland, Texas and the Amsterdam area, the Netherl ...
planned to initiate a
suborbital A sub-orbital spaceflight is a spaceflight in which the spacecraft reaches outer space, but its trajectory intersects the surface of the gravitating body from which it was launched. Hence, it will not complete one orbital revolution, will no ...
commercial spaceflight service with the Lynx rocketplane in 2016 or 2017 at $95,000. The first flights, to be taken by 23 passengers from the Axe Apollo Space Academy, were planned for 2015.


Private space stations

By 2010,
Bigelow Aerospace Bigelow Aerospace was an American space design and manufacturing company which ceased operations in 2020. It was an aeronautics and outer space technology company which manufactured and developed expandable space station modules. Bigelow Aero ...
was developing the ''Next-Generation Commercial Space Station'', a private orbital space complex. The
space station A space station (or orbital station) is a spacecraft which remains orbital spaceflight, in orbit and human spaceflight, hosts humans for extended periods of time. It therefore is an artificial satellite featuring space habitat (facility), habitat ...
was to have been constructed of both
Sundancer ''Sundancer'' was the proposed third prototype space habitat intended to be launched by Bigelow Aerospace—and the first human-rated expandable module based on TransHab technology acquired from NASA. It was to have been used to test and confir ...
and
B330 The B330 (previously known as the Nautilus space complex module and BA 330) was an inflatable space habitat privately developed by Bigelow Aerospace from 2010 until 2020. The design was evolved from NASA's TransHab habitat concept. B330 was to ...
expandable modules as well as a central docking node,
propulsion Propulsion is the generation of force by any combination of pushing or pulling to modify the translational motion of an object, which is typically a rigid body (or an articulated rigid body) but may also concern a fluid. The term is derived from ...
,
solar arrays A photovoltaic system, also called a PV system or solar power system, is an electric power system designed to supply usable solar power by means of photovoltaics. It consists of an arrangement of several components, including solar panels to abs ...
, and attached crew capsules. Initial launch of space station components was planned for 2014, with portions of the station projected to be available for leased use as early as 2015. , no launches have taken place.


Lunar private ventures


Robotic Lunar-surface missions

The following companies and organizations had made initial funded launch commitments for
Google Lunar X Prize The Google Lunar X Prize (GLXP) was a 2007–2018 inducement prize space competition organized by the X Prize Foundation, and sponsored by Google. The challenge called for privately funded teams to be the first to land a lunar rover on t ...
-related
Lunar Lunar most commonly means "of or relating to the Moon". Lunar may also refer to: Arts and entertainment * ''Lunar'' (series), a series of video games * "Lunar" (song), by David Guetta * "Lunar", a song by Priestess from the 2009 album ''Prior t ...
launches in 2016: *
Moon Express Moon Express (MoonEx; vehicle model prefix: MX) is an American privately held company formed in 2010 by a group of Silicon Valley and space entrepreneurs. It had the goal of winning the $30 million Google Lunar X Prize, and of ultimately mining th ...
*
SpaceIL SpaceIL is an Israeli organization, established in 2011, that competed in the Google Lunar X Prize (GLXP) contest to land a spacecraft on the Moon. SpaceIL successfully launched its ''Beresheet'' lander on 22 February 2019 at 01:45 UTC; it enter ...
* Synergy Moon *
Team Indus TeamIndus (incorporated as Axiom Research LabsMining the Moon: How the extraction of lunar hydrogen or ice could fuel humanity's expansion into space
''
IEEE Spectrum ''IEEE Spectrum'' is a magazine edited and published by the Institute of Electrical and Electronics Engineers. The first issue of ''IEEE Spectrum'' was published in January 1964 as a successor to ''Electrical Engineering''. In 2010, ''IEEE Spe ...
'', June 2009, accessed 5 January 2011.
intends to undertake human tended lunar prospecting for water ice. If significant reserves of ice are located, they plan to establish a network of "refueling service stations" in low Earth orbit and on the Moon to process and provide fuel and consumables for commercial and government customers. If the prospecting is successful—ice deposits are located, the appropriate legal regime is in place to support commercial development, and the ice can be extracted — Shackleton proposes to establish a fuel-processing operation on the lunar surface and in propellant depots in Low Earth Orbit. Equipment would melt the ice and purify the water, "electrolyze the water into gaseous hydrogen and oxygen, and then condense the gases into liquid hydrogen and liquid oxygen and also process them into hydrogen peroxide, all of which could be used as rocket fuels."


Mars exploration

In June 2012, private Dutch non-profit,
Mars One Mars One was a small private Dutch organization that received money from investors by claiming it would use it to land the first humans on Mars and leave them there to establish a permanent human colony. From its announcement in 2012 to its ...
, announced a private one-way (no return) human mission to
Mars Mars is the fourth planet from the Sun. It is also known as the "Red Planet", because of its orange-red appearance. Mars is a desert-like rocky planet with a tenuous carbon dioxide () atmosphere. At the average surface level the atmosph ...
with the aim to establish a permanent human colony on Mars. The plan was to send a
communication satellite A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth. ...
and pathfinder lander to the planet by 2016 and, after several stages, land four humans on the Martian surface for permanent settlement in 2023. A new set of four
astronaut An astronaut (from the Ancient Greek (), meaning 'star', and (), meaning 'sailor') is a person trained, equipped, and deployed by a List of human spaceflight programs, human spaceflight program to serve as a commander or crew member of a spa ...
s would then arrive every two years. Mars One has received a variety of criticism, mostly relating to medical, technical and financial feasibility. There are also unverified claims that Mars One is a scam designed to take as much money as possible from donors, including reality show contestants.'Mars One' finalist breaks silence, claims organization is a total scam, 16 March 2015
/ref> Many have criticized the project's US$6 billion budget as being too low to successfully transport humans to Mars, to the point of being delusional. A similar project study by NASA estimated the cost of such a feat at US$100 billion, although that included transporting the astronauts back to Earth. Objections have also been raised regarding the reality TV project associated with the expedition. Given the transient nature of most reality TV ventures, many believe that as viewership declines, funding could significantly decrease, thereby harming the entire expedition. Further, contestants have reported that they were ranked based on their donations and funds raised. In February 2013, the US nonprofit Inspiration Mars Foundation announced a plan to send a married couple on a 2018 mission to travel to Mars and back to Earth on a 501-day round trip, with no landing planned on Mars. The mission would have taken advantage of an infrequently occurring
free return trajectory In orbital mechanics, a free-return trajectory is a trajectory of a spacecraft traveling away from a primary body (for example, the Earth) where gravity due to a secondary body (for example, the Moon) causes the spacecraft to return to the primar ...
—a unique orbit opportunity which occurs only once every fifteen years—and will allow the
space capsule A space capsule is a spacecraft designed to transport cargo, scientific experiments, and/or astronauts to and from space. Capsules are distinguished from other spacecraft by the ability to survive reentry and return a payload to the Earth's surfa ...
to use the smallest possible amount of
fuel A fuel is any material that can be made to react with other substances so that it releases energy as thermal energy or to be used for work (physics), work. The concept was originally applied solely to those materials capable of releasing chem ...
to get it to Mars and back to Earth. The two-person American crew – a man and a woman – will fly around Mars at a distance of of the surface. "If anything goes wrong, the spacecraft should make its own way back to Earth — but with no possibility of any shortcuts home." On September 27, 2016, at the 67th annual meeting of the
International Astronautical Congress The International Astronautical Congress (IAC) is an annual meeting of the actors in the discipline of space science. It is hosted by one of the national society members of the International Astronautical Federation (IAF), with the support of ...
, Elon Musk unveiled substantial details of the
Interplanetary Transport System Before settling on the 2018 Starship design, SpaceX successively presented a number of reusable super-heavy lift vehicle proposals. These preliminary spacecraft designs were known under various names ('' Mars Colonial Transporter'', '' Interplanet ...
(ITS) design for the transport vehicles—including size, construction material, number and type of engines, thrust, cargo and passenger payload capabilities, on-orbit propellant-tanker refills, representative transit times, etc.—as well as a few details of portions of the Mars-side and Earth-side infrastructure that SpaceX intends to build to support the flight vehicles. In addition, Musk championed a larger systemic vision, a vision for a bottom-up emergent order of other interested parties—whether companies, individuals, or governments—to utilize the new and radically lower-cost transport infrastructure to build up a sustainable human civilization on Mars, potentially, on numerous other locations around the
Solar System The Solar SystemCapitalization of the name varies. The International Astronomical Union, the authoritative body regarding astronomical nomenclature, specifies capitalizing the names of all individual astronomical objects but uses mixed "Sola ...
, by innovating and
meeting A meeting is when two or more people come together to discuss one or more topics, often in a formal or business setting, but meetings also occur in a variety of other environments. Meetings can be used as form of group decision-making. Definiti ...
the
demand In economics, demand is the quantity of a goods, good that consumers are willing and able to purchase at various prices during a given time. In economics "demand" for a commodity is not the same thing as "desire" for it. It refers to both the desi ...
that such a growing venture would occasion. In July 2017, SpaceX made public plans for ITS based on a smaller launch vehicle and spacecraft. The new system architecture has "evolved quite a bit" since the November 2016 articulation of the very large "
Interplanetary Transport System Before settling on the 2018 Starship design, SpaceX successively presented a number of reusable super-heavy lift vehicle proposals. These preliminary spacecraft designs were known under various names ('' Mars Colonial Transporter'', '' Interplanet ...
". A key driver of the new architecture is to make the new system useful for substantial Earth-orbit and cislunar launches so that the new system might pay for itself, in part, through economic spaceflight activities in the near-Earth space zone. The Super Heavy is designed to fulfill the Mars transportation goals while also launching satellites, servicing the
ISS The International Space Station (ISS) is a large space station that was assembled and is maintained in low Earth orbit by a collaboration of five space agencies and their contractors: NASA (United States), Roscosmos (Russia), ESA (Europe), ...
, flying humans and cargo to the Moon, and enabling ballistic transport of passengers on Earth as a substitute to
long-haul In aviation, the flight length or flight distance refers to the distance of a flight. Aircraft do not necessarily follow the great-circle distance, but may opt for a longer route due to weather, traffic, to utilise a jet stream, or to refuel. Co ...
airline flights. Since March 2020,
SpaceX Space Exploration Technologies Corp., commonly referred to as SpaceX, is an America, American space technology company headquartered at the SpaceX Starbase, Starbase development site in Starbase, Texas. Since its founding in 2002, the compa ...
conducted several test flights of their
Starship A starship, starcraft, or interstellar spacecraft is a theoretical spacecraft designed for interstellar travel, traveling between planetary systems. The term is mostly found in science fiction. Reference to a "star-ship" appears as early as 1 ...
spacecraft. The Starship is a fully reusable two-stage vehicle designed to take passengers and cargo to the Moon, Mars, and beyond. SpaceX had initially planned to have an orbital-flight in 2021. On Wednesday, May 5, 2021, the twelfth Starship prototype (SN15) made a 10 km suborbital flight and achieved soft landing. SpaceX is currently in the process of improving and understanding the Starship spacecraft.


''NewSpace''

NewSpace (also new space) or entrepreneurial space and  astropreneurship have been terms applied to contemporary and increasingly competitive spaceflight. This is characterized as a new private
space race The Space Race (, ) was a 20th-century competition between the Cold War rivals, the United States and the Soviet Union, to achieve superior spaceflight capability. It had its origins in the ballistic missile-based nuclear arms race between t ...
, with the
billionaire space race The billionaire space race is the rivalry among entrepreneurs who have entered the space industry from other industries – particularly computing. This private spaceflight race involves sending privately developed rockets and vehicles to various ...
being an example of this. NewSpace developed out of the older ''alt.space'', which first tried to do things different than established space organizations like NASA, which are collectively identified as ''OldSpace''. NewSpace is not different in its commercial element but rather in its reusability, start-up and expansion focus.


See also

*
Billionaire space race The billionaire space race is the rivalry among entrepreneurs who have entered the space industry from other industries – particularly computing. This private spaceflight race involves sending privately developed rockets and vehicles to various ...
* * List of commercial space stations * *
Heinlein Prize for Advances in Space Commercialization The Heinlein Prize for Advances in Space Commercialization, generally known as the Heinlein Prize, was founded in 1988 to reward individuals who make practical contributions to the commercialization of space. The Heinlein Prize offers a cash award ...
* * * *
Space launch market competition Space launch market competition is the manifestation of market forces in the launch service provider business. In particular it is the trend of competitive dynamics among payload transport capabilities at diverse prices having a greater influe ...


References

* Belfiore, Michael. ''Rocketeers: How a Visionary Band of Business Leaders, Engineers, and Pilots is Boldly Privatizing Space''. Harper Paperbacks, 2008. * Bizony, Piers. ''How to Build Your Own Spaceship: The Science of Personal Space Travel''. Plume, 2009.


External links


Climbing a Commercial Stairway to Space: A Plausible Timeline
RLV News, 2 February 2006
An Introduction to Private Spaceflight
Space Liberates Us!, 20 March 2007
Study defining personal spaceflight industry
Space Fellowship, 29 May 2008


Government


Suborbital Reusable Launch Vehicles and Applicable Markets
DOC OSC, 2002


Corporate ventures


C&SPACE

Starchaser Industries

Space Services, Inc.

Commercial Space Companies
at the Space Frontier Foundation
Astrobotic


Media coverage



NASA union viewpoint on private spaceflight

Space Frontier Foundation, 14 February 2005 {{DEFAULTSORT:Private Spaceflight
Private flight Private aviation is the part of civil aviation that does not include flying for hire, which is termed commercial aviation. In 2022, private air travel was noted as increasing. Definition Private aviation and commercial aviation are not rigoro ...