List Of Apollo Astronauts
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Apollo program The Apollo program, also known as Project Apollo, was the United States human spaceflight program led by NASA, which Moon landing, landed the first humans on the Moon in 1969. Apollo followed Project Mercury that put the first Americans in sp ...
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 ...
, 24
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 flew nine missions to 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 ...
between December 1968 and December 1972. During six successful two-man landing missions, twelve men walked on the lunar surface, six of whom drove
Lunar Roving Vehicle The Lunar Roving Vehicle (LRV) is a Battery electric vehicle, battery-powered four-wheeled Rover (space exploration), rover used on the Moon in the last three missions of the American Apollo program (Apollo 15, 15, Apollo 16, 16, and Apollo 17 ...
s as part of the last three missions. Three men have been to the Moon twice, one orbited once and took a
circumlunar trajectory In orbital mechanics, a circumlunar trajectory, trans-lunar trajectory or lunar free return is a type of free return trajectory which takes a spacecraft from Earth, around the far side of the Moon, and back to Earth using only gravity once the ...
the second time, while the other two landed once apiece. Apart from these 24 men, no human being has gone beyond
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 ...
. , 6 of the 24 remain alive. A number of non-human animals have circled or orbited it, including two tortoises, several turtles, and five mice. No woman has been to the Moon. Apollo missions 8 and 1017 were the nine crewed missions to the Moon. Apollo 46 and AS-201 and
AS-202 AS-202 (also referred to as SA-202 or Apollo 2) was the second uncrewed, suborbital test flight of a production Block I Apollo command and service module launched with the Saturn IB launch vehicle. It was launched on August 25, 1966, and was ...
were uncrewed, while
AS-203 AS-203 (also known as SA-203 or Apollo 3) was an uncrewed flight of the Saturn IB rocket on July 5, 1966. It carried no command and service module, as its purpose was to verify the design of the S-IVB rocket stage restart capability that would l ...
is considered a test flight. The Apollo program included three other crewed missions:
Apollo 1 Apollo 1, initially designated AS-204, was planned to be the first crewed mission of the Apollo program, the American undertaking to land the first man on the Moon. It was planned to launch on February 21, 1967, as the first low Earth orbital ...
(AS-204) did not launch and its crew died in a ground-based capsule fire, while
Apollo 7 Apollo 7 (October 11–22, 1968) was the first crewed flight in NASA's Apollo program, and saw the resumption of human spaceflight by the agency after the fire that had killed the three Apollo 1 astronauts during a launch rehearsal test ...
and
Apollo 9 Apollo 9 (March 3–13, 1969) was the third human spaceflight in NASA's Apollo program, which successfully tested systems and procedures critical to landing on the Moon. The three-man crew consisted of Commander James McDivitt, Command Modul ...
were low Earth orbit missions that tested spacecraft components and docking maneuvers. Apollo missions 18, 19, and 20 were canceled. Twelve astronauts later flew unused
Apollo command module The Apollo command and service module (CSM) was one of two principal components of the United States Apollo (spacecraft), Apollo spacecraft, used for the Apollo program, which landed astronauts on the Moon between 1969 and 1972. The CSM functi ...
s in the Apollo Applications Program's
Skylab Skylab was the United States' first space station, launched by NASA, occupied for about 24 weeks between May 1973 and February 1974. It was operated by three trios of astronaut crews: Skylab 2, Skylab 3, and Skylab 4. Skylab was constructe ...
and Apollo–Soyuz Test Project. Of the 24 astronauts who flew to the Moon, two went on to command a Skylab mission, one commanded Apollo–Soyuz, one flew as commander for
Approach and Landing Tests The Approach and Landing Tests were a series of sixteen taxiing, taxi and flight trials of the prototype Space Shuttle Orbiter, Space Shuttle ''Space Shuttle Enterprise, Enterprise'' that took place between February and October 1977 to test the ...
of 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. ...
, and two commanded orbital Space Shuttle missions.


Prime crew members

NASA's Director of Flight Crew Operations during the Gemini and Apollo programs was Donald K. "Deke" Slayton, one of the original
Mercury Seven The Mercury Seven were the group of seven astronauts selected to fly spacecraft for Project Mercury. They are also referred to as the Original Seven and Astronaut Group 1. Their names were publicly announced by NASA on April 9, 1959: Scott ...
astronauts, who was medically grounded in September 1962 due to a minor cardiac
arrhythmia Arrhythmias, also known as cardiac arrhythmias, are irregularities in the cardiac cycle, heartbeat, including when it is too fast or too slow. Essentially, this is anything but normal sinus rhythm. A resting heart rate that is too fast – ab ...
– paroxysmal atrial fibrillation. Slayton was responsible for making all Gemini and Apollo crew assignments. In March 1972, Slayton was restored to flight status, and flew on the 1975 Apollo–Soyuz Test Project mission. The prime crew members selected for actual missions are here grouped by their NASA astronaut selection groups, and within each group in the order selected for flight. Two versions of the
Apollo Command/Service Module The Apollo command and service module (CSM) was one of two principal components of the United States Apollo (spacecraft), Apollo spacecraft, used for the Apollo program, which landed astronauts on the Moon between 1969 and 1972. The CSM functi ...
(CSM) spacecraft were developed: Block I, intended for preliminary low Earth orbit testing; and Block II, redesigned for the lunar landing. The Block I crew position titles were Command Pilot, Senior Pilot (second seat), and Pilot (third seat). The corresponding Block II titles were: Commander, Command Module Pilot, and Lunar Module Pilot. The second seat pilot was given secondary responsibility for
celestial navigation Celestial navigation, also known as astronavigation, is the practice of position fixing using stars and other celestial bodies that enables a navigator to accurately determine their actual current physical position in space or on the surface ...
to keep the CSM's guidance computer accurately calibrated with the spacecraft's true position, and the third seat pilot served as a flight engineer, monitoring the health of the spacecraft systems.


Apollo astronauts by their dates of selection by NASA


1959

* Virgil I. "Gus" Grissom began his career at NASA in 1959. In 1966, he was selected as Command Pilot for the first crewed Apollo mission, a low Earth orbit test. This mission ended a month before its scheduled launch, George E. Mueller, Associate Administrator of the Office of Manned Spaceflight, issued a directive on April 24, 1967, that the mission would be officially recorded as Apollo 1, "first manned Apollo Saturn flight - failed on ground test." when a cabin fire on the launch pad killed Grissom, Ed White and Roger Chaffee on January 27, 1967. * Walter M. Schirra Jr. also began his NASA career in 1959. He was selected in October 1968 as Command Pilot for
Apollo 7 Apollo 7 (October 11–22, 1968) was the first crewed flight in NASA's Apollo program, and saw the resumption of human spaceflight by the agency after the fire that had killed the three Apollo 1 astronauts during a launch rehearsal test ...
, an 11-day,
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 ...
shakedown test of the three-man
Apollo Command/Service Module The Apollo command and service module (CSM) was one of two principal components of the United States Apollo (spacecraft), Apollo spacecraft, used for the Apollo program, which landed astronauts on the Moon between 1969 and 1972. The CSM functi ...
and the first crewed launch for the Apollo project. * Alan B. Shepard Jr. – America's first man in space on '' Freedom 7'' was originally selected to command Gemini 3, but was medically grounded for the duration of Gemini due to Ménière's disease and assisted Slayton in Flight Operations. After corrective surgery, Shepard was restored to flight status and commanded
Apollo 14 Apollo 14 (January 31February 9, 1971) was the eighth crewed mission in the United States Apollo program, the third to Moon landing, land on the Moon, and the first to land in the Geology of the Moon#Highlands, lunar highlands. It was the las ...
, the third successful Moon landing mission.


1962

All of these astronauts flew on Gemini, and except for White, each commanded one Gemini and one Apollo mission: * Edward H. White II – Second-seat veteran of
Gemini 4 Gemini 4 (officially Gemini IV) With Gemini IV, NASA changed to Roman numerals for Gemini mission designations. was the second crewed spaceflight in NASA's Project Gemini, occurring in June 1965. It was the tenth crewed American spaceflight (in ...
who made the United States' first walk in space, selected as Senior Pilot (second seat) on Apollo 1. White was killed in the Apollo 1 fire along with Grissom and Chaffee. * James A. McDivitt – Commander of Gemini 4, selected in late 1966 to command the first Earth orbital flight test of the
Apollo Lunar Module The Apollo Lunar Module (LM ), originally designated the Lunar Excursion Module (LEM), was the lunar lander spacecraft that was flown between lunar orbit and the Moon's surface during the United States' Apollo program. It was the first crewed sp ...
with the CSM. This mission flew in March 1969 as
Apollo 9 Apollo 9 (March 3–13, 1969) was the third human spaceflight in NASA's Apollo program, which successfully tested systems and procedures critical to landing on the Moon. The three-man crew consisted of Commander James McDivitt, Command Modul ...
. After his flight, McDivitt was promoted to Manager of Lunar Landing Operations, and in August 1969 was promoted to Manager of the Apollo Spacecraft Program. * Frank F. Borman II – Commander of
Gemini 7 Gemini 7 (officially Gemini VII) With Gemini IV, NASA changed to Roman numerals for Gemini mission designations. was a 1965 crewed spaceflight in NASA's Gemini program. It was the fourth crewed Gemini flight, the twelfth crewed American spacef ...
, selected to command a higher Earth orbit test of the complete Apollo spacecraft. But when delays prevented the LM from being ready in time for its first flight in December 1968, Borman's mission was changed to the first lunar orbital flight of the CSM on
Apollo 8 Apollo 8 (December 21–27, 1968) was the first crewed spacecraft to leave Sphere of influence (astrodynamics), Earth's gravitational sphere of influence, and the first human spaceflight to reach the Moon. The crew orbited the Moon ten times ...
. * James A. Lovell Jr. – Second-seat veteran of Gemini 7, and commander of Gemini 12, flew as Command Module Pilot (second seat) on Apollo 8. Lovell became the first to fly a second Apollo mission as commander of
Apollo 13 Apollo 13 (April 1117, 1970) was the seventh crewed mission in the Apollo program, Apollo space program and would have been the third Moon landing. The craft was launched from Kennedy Space Center on April 11, 1970, but the landing was abort ...
, the third lunar landing attempt. This mission was unsuccessful, due to a Service Module electrical system failure caused by an oxygen tank explosion. Lovell and his crew managed to return to Earth safely. Lovell is the only person to fly to the Moon twice without landing there. * Thomas P. Stafford – Second-seat veteran of Gemini 6A and commander of Gemini 9A, commanded a lunar orbital test of the Lunar Module on Apollo 10. He also commanded the Apollo–Soyuz Test Project mission. * John W. Young – Second-seat veteran of Gemini 3 and commander of
Gemini 10 Gemini 10 (officially Gemini X) With Gemini IV, NASA changed to Roman numerals for Gemini mission designations. was a 1966 crewed spaceflight in NASA's Gemini program. It was the 8th crewed Project Gemini, Gemini flight, the 16th crewed American ...
, flew as Command Module Pilot on Apollo 10. Young later commanded the successful
Apollo 16 Apollo 16 (April 1627, 1972) was the tenth human spaceflight, crewed mission in the United States Apollo program, Apollo space program, administered by NASA, and the fifth and penultimate to Moon landing, land on the Moon. It was the second o ...
lunar landing. He also commanded the first Space Shuttle flight, STS-1 '' Columbia'', April 12–14, 1981, and STS-9, also on '' Columbia'', November 28–December 8, 1983. * Neil A. Armstrong – Commander of
Gemini 8 Gemini 8 (officially Gemini VIII) With Gemini IV, NASA changed to Roman numerals for Gemini mission designations. was the sixth crewed spaceflight in NASA's Project Gemini, Gemini program. It was launched on March 16, 1966, and was the 14th crew ...
, commanded
Apollo 11 Apollo 11 was a spaceflight conducted from July 16 to 24, 1969, by the United States and launched by NASA. It marked the first time that humans Moon landing, landed on the Moon. Commander Neil Armstrong and Lunar Module pilot Buzz Aldrin l ...
, becoming the first human to set foot on the Moon. * Charles "Pete" Conrad Jr. – Second-seat veteran of Gemini 5 and commander of
Gemini 11 Gemini 11 (officially Gemini XI) With Gemini IV, NASA changed to Roman numerals for Gemini mission designations. was the ninth crewed spaceflight mission of NASA's Project Gemini, which flew from September 12 to 15, 1966. It was the 17th crewed ...
, commanded Apollo 12, the second lunar landing. He went on to command Skylab 2, successfully completing repairs to the spacecraft that saved it for this and two subsequent missions.


1963

This was the first class of astronauts for which test pilot experience was not required, but military jet fighter pilot experience was acceptable. Five of this group got their first spaceflight experience as second seat on Gemini: * David R. Scott – Second-seat veteran of
Gemini 8 Gemini 8 (officially Gemini VIII) With Gemini IV, NASA changed to Roman numerals for Gemini mission designations. was the sixth crewed spaceflight in NASA's Project Gemini, Gemini program. It was launched on March 16, 1966, and was the 14th crew ...
, flew as Command Module Pilot on
Apollo 9 Apollo 9 (March 3–13, 1969) was the third human spaceflight in NASA's Apollo program, which successfully tested systems and procedures critical to landing on the Moon. The three-man crew consisted of Commander James McDivitt, Command Modul ...
, and commanded the
Apollo 15 Apollo 15 (July 26August 7, 1971) was the ninth crewed mission in the Apollo program and the fourth Moon landing. It was the first List of Apollo missions#Alphabetical mission types, J mission, with a longer stay on the Moon and a greate ...
lunar landing. * Eugene A. Cernan – Second-seat veteran on Gemini 9A, flew as Lunar Module Pilot on Apollo 10, and commanded the final lunar landing mission
Apollo 17 Apollo 17 (December 7–19, 1972) was the eleventh and final mission of NASA's Apollo program, the sixth and most recent time humans have set foot on the Moon. Commander Gene Cernan and Lunar Module Pilot Harrison Schmitt walked on the Moon, ...
. * Michael Collins – Second-seat veteran on
Gemini 10 Gemini 10 (officially Gemini X) With Gemini IV, NASA changed to Roman numerals for Gemini mission designations. was a 1966 crewed spaceflight in NASA's Gemini program. It was the 8th crewed Project Gemini, Gemini flight, the 16th crewed American ...
, flew as Command Module Pilot on
Apollo 11 Apollo 11 was a spaceflight conducted from July 16 to 24, 1969, by the United States and launched by NASA. It marked the first time that humans Moon landing, landed on the Moon. Commander Neil Armstrong and Lunar Module pilot Buzz Aldrin l ...
. * Edwin E. "Buzz" Aldrin Jr. – Second-seat veteran on Gemini 12, flew as Lunar Module Pilot on
Apollo 11 Apollo 11 was a spaceflight conducted from July 16 to 24, 1969, by the United States and launched by NASA. It marked the first time that humans Moon landing, landed on the Moon. Commander Neil Armstrong and Lunar Module pilot Buzz Aldrin l ...
, the first Moon landing. * Richard F. Gordon Jr. – Second-seat veteran on
Gemini 11 Gemini 11 (officially Gemini XI) With Gemini IV, NASA changed to Roman numerals for Gemini mission designations. was the ninth crewed spaceflight mission of NASA's Project Gemini, which flew from September 12 to 15, 1966. It was the 17th crewed ...
, flew as Command Module Pilot on Apollo 12. Gordon was selected to command the Apollo 18 lunar landing, which was later canceled. The remaining six members of this group were selected for their first space flights on Apollo: * Roger B. Chaffee – Selected as Pilot (third seat) on
Apollo 1 Apollo 1, initially designated AS-204, was planned to be the first crewed mission of the Apollo program, the American undertaking to land the first man on the Moon. It was planned to launch on February 21, 1967, as the first low Earth orbital ...
, was killed with Grissom and White in the fire. * Donn F. Eisele – Flew second seat on
Apollo 7 Apollo 7 (October 11–22, 1968) was the first crewed flight in NASA's Apollo program, and saw the resumption of human spaceflight by the agency after the fire that had killed the three Apollo 1 astronauts during a launch rehearsal test ...
. * R. Walter Cunningham – Flew third seat on
Apollo 7 Apollo 7 (October 11–22, 1968) was the first crewed flight in NASA's Apollo program, and saw the resumption of human spaceflight by the agency after the fire that had killed the three Apollo 1 astronauts during a launch rehearsal test ...
. * Russell L. "Rusty" Schweickart – Flew as Lunar Module Pilot on
Apollo 9 Apollo 9 (March 3–13, 1969) was the third human spaceflight in NASA's Apollo program, which successfully tested systems and procedures critical to landing on the Moon. The three-man crew consisted of Commander James McDivitt, Command Modul ...
. Schweickart performed an EVA outside the spacecraft, testing the portable life support system used on the Moon. * William A. Anders – Flew third seat on
Apollo 8 Apollo 8 (December 21–27, 1968) was the first crewed spacecraft to leave Sphere of influence (astrodynamics), Earth's gravitational sphere of influence, and the first human spaceflight to reach the Moon. The crew orbited the Moon ten times ...
. * Alan L. Bean – Flew as Lunar Module Pilot on Apollo 12. He later served as commander for Skylab 3.


1965

In June 1965, NASA named a group of five scientist astronauts, the first group qualified by doctorate degrees rather than test or military fighter pilot experience.Note: Edwin Aldrin and Eugene Cernan were selected for Group 3 without having been test pilots, though both were fighter pilots in the Air Force and Navy respectively. Geologist Harrison H. "Jack" Schmitt participated heavily in the geological training of the lunar landing astronauts, as well as assisting in the analysis of returned samples and the preparation of mission reports. In 1970, he was selected as Lunar Module Pilot for the Apollo 15 backup crew, and prime crew on Apollo 18. When program cutbacks canceled missions 18 through 20, NASA's lunar geological community insisted on having a geologist on the Moon, so Slayton reassigned Schmitt to
Apollo 17 Apollo 17 (December 7–19, 1972) was the eleventh and final mission of NASA's Apollo program, the sixth and most recent time humans have set foot on the Moon. Commander Gene Cernan and Lunar Module Pilot Harrison Schmitt walked on the Moon, ...
.


1966

NASA named a group of 19 more astronauts in April 1966. None had spaceflight experience before their Apollo mission. * T. Kenneth Mattingly II – Selected as prime Command Module Pilot for Apollo 13, Mattingly was exposed to German measles days before the flight and was grounded by the flight surgeon, though ultimately did not contract the disease. He swapped places with his backup and flew on
Apollo 16 Apollo 16 (April 1627, 1972) was the tenth human spaceflight, crewed mission in the United States Apollo program, Apollo space program, administered by NASA, and the fifth and penultimate to Moon landing, land on the Moon. It was the second o ...
. He also flew on STS-4 and STS-51-C. * John L. "Jack" Swigert Jr. – Flew as Mattingly's backup on
Apollo 13 Apollo 13 (April 1117, 1970) was the seventh crewed mission in the Apollo program, Apollo space program and would have been the third Moon landing. The craft was launched from Kennedy Space Center on April 11, 1970, but the landing was abort ...
. * Fred W. Haise Jr. – Flew as Lunar Module Pilot on the unsuccessful Apollo 13. Haise was selected to command the Apollo 19 lunar landing, which was canceled. Haise would later be named commander of the first crew for the Space Shuttle's
Approach and Landing Tests The Approach and Landing Tests were a series of sixteen taxiing, taxi and flight trials of the prototype Space Shuttle Orbiter, Space Shuttle ''Space Shuttle Enterprise, Enterprise'' that took place between February and October 1977 to test the ...
using the prototype Space Shuttle ''Enterprise''. * Stuart A. Roosa – Command Module Pilot on
Apollo 14 Apollo 14 (January 31February 9, 1971) was the eighth crewed mission in the United States Apollo program, the third to Moon landing, land on the Moon, and the first to land in the Geology of the Moon#Highlands, lunar highlands. It was the las ...
. *
Edgar D. Mitchell Edgar Dean "Ed" Mitchell (September 17, 1930 – February 4, 2016) was a United States Navy officer and United States Naval Aviator, aviator, test pilot, Aerospace engineering, aeronautical engineer, Ufology, ufologist, and NASA astronaut. ...
– Lunar Module Pilot on Apollo 14. * Alfred M. Worden – Command Module Pilot on
Apollo 15 Apollo 15 (July 26August 7, 1971) was the ninth crewed mission in the Apollo program and the fourth Moon landing. It was the first List of Apollo missions#Alphabetical mission types, J mission, with a longer stay on the Moon and a greate ...
. * James B. Irwin – Lunar Module Pilot on Apollo 15. * Charles M. Duke Jr. – First achieved public recognition as capsule communicator during the Apollo 11 Moon landing; notable for the quote: "...we copy you on the ground. You've got a bunch of guys about to turn blue; we're breathing again. Thanks a lot." Duke flew as Lunar Module Pilot on Apollo 16. * Ronald E. Evans Jr. – Command Module Pilot on
Apollo 17 Apollo 17 (December 7–19, 1972) was the eleventh and final mission of NASA's Apollo program, the sixth and most recent time humans have set foot on the Moon. Commander Gene Cernan and Lunar Module Pilot Harrison Schmitt walked on the Moon, ...
.


Astronauts who trained for Apollo but did not fly

* L. Gordon Cooper Jr. – from the Mercury Seven; veteran of Mercury '' Faith 7'' and commander of Gemini 5, was replaced as Apollo 14 commander by Alan Shepard and resigned from NASA in 1970. * Clifton C. "C.C." Williams Jr. – from Group 3; was named as Schweickart's Lunar Module Pilot backup crew, but was killed when the T-38 jet he was flying crashed near
Tallahassee, Florida Tallahassee ( ) is the List of capitals in the United States, capital city of the U.S. state of Florida. It is the county seat of and the only incorporated municipality in Leon County, Florida, Leon County. Tallahassee became the capital of Fl ...
on October 5, 1967. He was replaced by Bean, who flew on Apollo 12. * Vance D. Brand – from Group 5; was on the support crew for Apollo 8 and Apollo 13; was named as Apollo 15 backup Command Module Pilot. Flew on the 1975 Apollo–Soyuz Test Project (not a flight of the Apollo program). He also flew as commander of STS-5,
STS-41-B STS-41-B was NASA's tenth Space Shuttle mission and the fourth flight of the . It launched on February 3, 1984 and landed on February 11, 1984, after deploying two communications satellites. It was also notable for including the first untethere ...
and STS-35. * Edward G. Givens Jr. – from Group 5; was on the support crew of Apollo 7, but died in a car crash near
Houston, Texas Houston ( ) is the List of cities in Texas by population, most populous city in the U.S. state of Texas and in the Southern United States. Located in Southeast Texas near Galveston Bay and the Gulf of Mexico, it is the county seat, seat of ...
on June 6, 1967. * Joe H. Engle – from Group 5; was originally named as Apollo 17 Lunar Module Pilot, but lost his slot to Schmitt. After Apollo, he flew 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. ...
Approach and Landing Tests The Approach and Landing Tests were a series of sixteen taxiing, taxi and flight trials of the prototype Space Shuttle Orbiter, Space Shuttle ''Space Shuttle Enterprise, Enterprise'' that took place between February and October 1977 to test the ...
, then commanded
STS-2 STS-2 was the second Space Shuttle mission conducted by NASA, and the second flight of the orbiter Space Shuttle Columbia, ''Columbia''. The mission, crewed by Joe Engle, Joe H. Engle and Richard H. Truly, launched on November 12, 1981, and lan ...
and STS-51-I.


Apollo astronauts who walked on the Moon

Twelve men walked on 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 ...
during six
Moon landing A Moon landing or lunar landing is the arrival of a spacecraft on the surface of the Moon, including both crewed and robotic missions. The first human-made object to touch the Moon was Luna 2 in 1959. In 1969 Apollo 11 was the first cr ...
s of the
Apollo program The Apollo program, also known as Project Apollo, was the United States human spaceflight program led by NASA, which Moon landing, landed the first humans on the Moon in 1969. Apollo followed Project Mercury that put the first Americans in sp ...
between July 1969 and December 1972. All landed on the surface only once, and five missions consisted of two or more surface extravehicular activities (EVAs). Four of them are alive with an average age of years. Most astronauts at that time came from the military services and were considered to be on active duty during their NASA service. The few exceptions were considered civilian NASA astronauts, regardless of any prior military service. On the last of their three Apollo 17 EVAs,
Harrison Schmitt Harrison Hagan "Jack" Schmitt (born July 3, 1935) is an American geologist, former NASA astronaut, university professor, former U.S. senator from New Mexico. He is the most recent living person—and only person without a background in military a ...
stepped out of the
Apollo Lunar Module The Apollo Lunar Module (LM ), originally designated the Lunar Excursion Module (LEM), was the lunar lander spacecraft that was flown between lunar orbit and the Moon's surface during the United States' Apollo program. It was the first crewed sp ...
onto the surface of the Moon after Gene Cernan, and is therefore the 12th and most recent person to have stepped out onto the Moon. When they re-entered the lunar module Cernan stepped in last, and is therefore the last person to have walked on the Moon.
Alan Shepard Alan Bartlett Shepard Jr. (November 18, 1923 – July 21, 1998) was an American astronaut. In 1961, he became the second person and the first American to travel into space and, in 1971, he became the List of Apollo astronauts#Apollo astr ...
was the oldest person to walk on the Moon, at age 47 years and 80 days. Charles Duke was the youngest, at age 36 years and 201 days.
Jim Lovell James Arthur Lovell Jr. ( ; born March 25, 1928) is an American retired astronaut, naval aviator, test pilot and mechanical engineer. In 1968, as command module pilot of Apollo 8, he became, with Frank Borman and William Anders, one of the fi ...
and
Fred Haise Fred Wallace Haise Jr. ( ; born November 14, 1933) is an American former NASA astronaut, engineer, fighter pilot with the United States Marine Corps Aviation, U.S. Marine Corps and United States Air Force, U.S. Air Force, and a test pilot. He ...
were scheduled to walk on the Moon during the
Apollo 13 Apollo 13 (April 1117, 1970) was the seventh crewed mission in the Apollo program, Apollo space program and would have been the third Moon landing. The craft was launched from Kennedy Space Center on April 11, 1970, but the landing was abort ...
mission, but the lunar landing was aborted following an explosion in the spacecraft
service module A service module (also known as an equipment module or instrument compartment) is a component of a crewed space capsule containing a variety of support systems used for spacecraft operations. Usually located in the uninhabited area of the spacec ...
en route to the Moon. Haise was again scheduled to walk on the Moon as commander of Apollo 19, but Apollo 18 and Apollo 19 were canceled on September 2, 1970.
Joe Engle Joe Henry Engle (August 26, 1932 – July 10, 2024) was an American pilot, aeronautical engineer, and NASA astronaut. He was the commander of two Space Shuttle missions including STS-2 in 1981, the program's second orbital flight. He also flew ...
had trained on the backup crew for
Apollo 14 Apollo 14 (January 31February 9, 1971) was the eighth crewed mission in the United States Apollo program, the third to Moon landing, land on the Moon, and the first to land in the Geology of the Moon#Highlands, lunar highlands. It was the las ...
to explore the Moon with Cernan, but he was replaced by Schmitt on the primary crew for
Apollo 17 Apollo 17 (December 7–19, 1972) was the eleventh and final mission of NASA's Apollo program, the sixth and most recent time humans have set foot on the Moon. Commander Gene Cernan and Lunar Module Pilot Harrison Schmitt walked on the Moon, ...
. Schmitt had previously been crewed with Apollo 12 Command Module pilot Dick Gordon in anticipation of Apollo 18, but Schmitt replaced Engle on Apollo 17 after the cancellation of Apollo 18 and Apollo 19, leaving Gordon as the last Apollo astronaut to train extensively for lunar exploration without ever landing on the Moon.


Apollo astronauts who flew to the Moon without landing

Besides the 12 people who have walked on the Moon, 12 more have flown to within 0.001 lunar distance of its surface. , two of them are alive with an average age of years. During each of the six missions with successful lunar landings, one astronaut remained in lunar orbit while the other two landed. In addition, the three-person crews of
Apollo 8 Apollo 8 (December 21–27, 1968) was the first crewed spacecraft to leave Sphere of influence (astrodynamics), Earth's gravitational sphere of influence, and the first human spaceflight to reach the Moon. The crew orbited the Moon ten times ...
and Apollo 10 also entered lunar orbit, and the crew of
Apollo 13 Apollo 13 (April 1117, 1970) was the seventh crewed mission in the Apollo program, Apollo space program and would have been the third Moon landing. The craft was launched from Kennedy Space Center on April 11, 1970, but the landing was abort ...
looped around the Moon on a
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 ...
. All nine crewed missions to the Moon took place as part of the
Apollo program The Apollo program, also known as Project Apollo, was the United States human spaceflight program led by NASA, which Moon landing, landed the first humans on the Moon in 1969. Apollo followed Project Mercury that put the first Americans in sp ...
over a period of just under four years, from 21 December 1968 to 19 December 1972. The 24 people who have flown to the Moon are the only people who have traveled beyond
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 ...
.
Jim Lovell James Arthur Lovell Jr. ( ; born March 25, 1928) is an American retired astronaut, naval aviator, test pilot and mechanical engineer. In 1968, as command module pilot of Apollo 8, he became, with Frank Borman and William Anders, one of the fi ...
, John Young, and
Eugene Cernan Eugene Andrew Cernan (; March 14, 1934 – January 16, 2017) was an American astronaut, United States naval aviator, naval aviator, electrical engineer, aeronautical engineer, and fighter pilot. Cernan traveled into space three times and ...
are the only three people to have flown to the Moon twice. Young and Cernan each set foot on it during their respective second lunar missions, while Lovell is the only person to have flown to the Moon twice without landing. During Cernan's first lunar mission on Apollo 10, he tied the present record set by Bill Anders on Apollo 8 as the youngest person to fly to the Moon. Each was 35 years and 65 days old on his launch date and 35 years and 68 days old when he entered lunar orbit. The oldest person to fly to the Moon was
Alan Shepard Alan Bartlett Shepard Jr. (November 18, 1923 – July 21, 1998) was an American astronaut. In 1961, he became the second person and the first American to travel into space and, in 1971, he became the List of Apollo astronauts#Apollo astr ...
, who walked on its surface during the
Apollo 14 Apollo 14 (January 31February 9, 1971) was the eighth crewed mission in the United States Apollo program, the third to Moon landing, land on the Moon, and the first to land in the Geology of the Moon#Highlands, lunar highlands. It was the las ...
mission. Shepard was 47 years and 74 days old on his launch date and 47 years and 78 days old when he entered lunar orbit.
Jim Lovell James Arthur Lovell Jr. ( ; born March 25, 1928) is an American retired astronaut, naval aviator, test pilot and mechanical engineer. In 1968, as command module pilot of Apollo 8, he became, with Frank Borman and William Anders, one of the fi ...
and
Fred Haise Fred Wallace Haise Jr. ( ; born November 14, 1933) is an American former NASA astronaut, engineer, fighter pilot with the United States Marine Corps Aviation, U.S. Marine Corps and United States Air Force, U.S. Air Force, and a test pilot. He ...
were scheduled to walk on the Moon during the
Apollo 13 Apollo 13 (April 1117, 1970) was the seventh crewed mission in the Apollo program, Apollo space program and would have been the third Moon landing. The craft was launched from Kennedy Space Center on April 11, 1970, but the landing was abort ...
mission, but the lunar landing was aborted following a major malfunction en route to the Moon. Haise was again scheduled to walk on the Moon as commander of Apollo 19, but Apollo 18 and Apollo 19 were canceled on September 2, 1970. Because of Apollo 13's free-return trajectory, Lovell, Swigert and Haise flew higher above the Moon's 180° meridian (opposite Earth) than anyone else has flown (254 km/158 mi). Coincidentally, due to the Moon's distance from Earth at the time, they simultaneously set the present record for humans' greatest distance from Earth, reaching an altitude of 400,171 km (248,655 mi) above sea level at 0:21 UTC on 15 April 1970.


Lunar activities

Armstrong descended the lunar module ladder and spoke his famous
epigram An epigram is a brief, interesting, memorable, sometimes surprising or satirical statement. The word derives from the Greek (, "inscription", from [], "to write on, to inscribe"). This literary device has been practiced for over two millennia ...
, "That's one small step for [a] man, one giant leap for mankind." He then went to work on collecting the contingency sample, which was a scoop of the lunar surface collected early in the mission in case there was an emergency. Armstrong took the TV camera off the lunar module and mounted it to a tripod. After that, Aldrin descended the ladder to join Armstrong. Aldrin egressed to the surface about nineteen minutes after Armstrong. They had some trouble planting the American flag into the lunar soil, but were able to secure it into the surface. Aldrin positioned himself in front of a video camera and began experimenting with different locomotion techniques on the surface. During these experiments, Armstrong and Aldrin received a phone call from President Nixon, congratulating them for the successful landing. Aldrin then set to work documenting the condition of the spacecraft to ensure it was in proper condition for their upcoming launch. After setting up a couple of experiments with Armstrong, Aldrin went to work hammering a tube into the lunar surface to obtain a core sample. Aldrin's EVA ended when they loaded the lunar samples into the spacecraft and tossed out unneeded items, just before sealing the hatch. Armstrong performed the majority of the photography on the surface, which is why there are only five photos of him on the Moon. Soon after piloting the LM ''Falcon'' to a landing at
Hadley Rille Hadley may refer to: Places Earth Canada * Hadley Bay, on the north of Victoria Island, Nunavut England * Hadley, London, a former civil parish within Barnet Urban District from 1894 to 1965 * Hadley, Shropshire, part of the new town of T ...
, Scott accomplished the only stand-up EVA through the lander's top hatch, using it as a high place from which to refine the geology traverses he and Irwin would undertake during the following days. Scott became the first to drive a vehicle on the Moon as he drove the
Lunar Roving Vehicle The Lunar Roving Vehicle (LRV) is a Battery electric vehicle, battery-powered four-wheeled Rover (space exploration), rover used on the Moon in the last three missions of the American Apollo program (Apollo 15, 15, Apollo 16, 16, and Apollo 17 ...
, more than doubling Apollo 14's EVA time. After the final traverse, back outside the LM, Scott performed a demonstration of Galileo's theory that all objects fall at the same rate in vacuum by dropping a hammer and a feather for the television camera. Irwin came onto the lunar surface soon after his commander, Scott. As the LRV's first passenger, he had an often rough ride as Scott swerved to avoid craters. It was Irwin who, during the second EVA, first spotted the
Genesis Rock The Genesis Rock (sample 15415) is a sample of Moon rock retrieved by Apollo 15 astronauts James Irwin and David Scott in 1971 during the second lunar extravehicular activity, EVA, at Spur (lunar crater), Spur crater on Earth's Moon. With a mass ...
and aided Scott in collecting this bit of the early lunar crust. A man of deep Christian religious faith, Irwin quoted from
Psalms The Book of Psalms ( , ; ; ; ; , in Islam also called Zabur, ), also known as the Psalter, is the first book of the third section of the Tanakh (Hebrew Bible) called ('Writings'), and a book of the Old Testament. The book is an anthology of B ...
while on the lunar surface and later became an evangelist.


Apollo astronauts who never flew to the Moon

In addition to the nine lunar missions, there were two crewed flights in the Apollo program that remained in Earth orbit to test fly the spacecraft.
Apollo 7 Apollo 7 (October 11–22, 1968) was the first crewed flight in NASA's Apollo program, and saw the resumption of human spaceflight by the agency after the fire that had killed the three Apollo 1 astronauts during a launch rehearsal test ...
was a crewed test flight of the CSM, and
Apollo 9 Apollo 9 (March 3–13, 1969) was the third human spaceflight in NASA's Apollo program, which successfully tested systems and procedures critical to landing on the Moon. The three-man crew consisted of Commander James McDivitt, Command Modul ...
was a crewed flight test of the CSM and LEM. Of the six astronauts who participated in these missions, five were never rotated to a lunar mission. In addition, the three
Skylab Skylab was the United States' first space station, launched by NASA, occupied for about 24 weeks between May 1973 and February 1974. It was operated by three trios of astronaut crews: Skylab 2, Skylab 3, and Skylab 4. Skylab was constructe ...
missions and Apollo-Soyuz Test Project used crewed CSMs in Earth orbit and are considered part of the Apollo Applications Project. Although Conrad, Bean, and Stafford commanded three of these four flights, the remaining crew members were rookies and thus had long missed the opportunity to fly a Moon mission. Of the seven rookies who flew Skylab, three of them ( Paul J. Weitz, Owen K. Garriott, and Jack R. Lousma) would return to space aboard the Space Shuttle. Vance Brand flew on ASTP as Command Module Pilot and would command three Shuttle missions. Except for Garriott, all Apollo astronauts who also flew on the Shuttle served as commander. * Walter M. Schirra Jr. – Commander of
Apollo 7 Apollo 7 (October 11–22, 1968) was the first crewed flight in NASA's Apollo program, and saw the resumption of human spaceflight by the agency after the fire that had killed the three Apollo 1 astronauts during a launch rehearsal test ...
. * Donn F. Eisele – Command Module Pilot of
Apollo 7 Apollo 7 (October 11–22, 1968) was the first crewed flight in NASA's Apollo program, and saw the resumption of human spaceflight by the agency after the fire that had killed the three Apollo 1 astronauts during a launch rehearsal test ...
* R. Walter Cunningham – Lunar Module Pilot of
Apollo 7 Apollo 7 (October 11–22, 1968) was the first crewed flight in NASA's Apollo program, and saw the resumption of human spaceflight by the agency after the fire that had killed the three Apollo 1 astronauts during a launch rehearsal test ...
* James A. McDivitt – Commander of
Apollo 9 Apollo 9 (March 3–13, 1969) was the third human spaceflight in NASA's Apollo program, which successfully tested systems and procedures critical to landing on the Moon. The three-man crew consisted of Commander James McDivitt, Command Modul ...
* Russell L. "Rusty" Schweickart – Lunar Module Pilot of
Apollo 9 Apollo 9 (March 3–13, 1969) was the third human spaceflight in NASA's Apollo program, which successfully tested systems and procedures critical to landing on the Moon. The three-man crew consisted of Commander James McDivitt, Command Modul ...
* Joseph P. Kerwin – Science Pilot of Skylab 2 * Paul J. Weitz – Pilot of Skylab 2 * Owen K. Garriott – Science Pilot of Skylab 3 * Jack R. Lousma – Pilot of Skylab 3 *
Gerald P. Carr Gerald Paul "Jerry" Carr (August 22, 1932August 26, 2020) was an American Mechanical engineering, mechanical and aeronautical engineer, United States Marine Corps, United States Marine Corps officer, naval aviator, and NASA astronaut. He was com ...
– Commander of
Skylab 4 Skylab 4 (also SL-4 and SLM-3) was the third crewed Skylab mission and placed the third and final human spaceflight, crew aboard the first American space station. The mission began on November 16, 1973, with the launch of Gerald P. Carr, Edwar ...
* Edward G. Gibson – Science Pilot of
Skylab 4 Skylab 4 (also SL-4 and SLM-3) was the third crewed Skylab mission and placed the third and final human spaceflight, crew aboard the first American space station. The mission began on November 16, 1973, with the launch of Gerald P. Carr, Edwar ...
* William R. Pogue – Pilot of
Skylab 4 Skylab 4 (also SL-4 and SLM-3) was the third crewed Skylab mission and placed the third and final human spaceflight, crew aboard the first American space station. The mission began on November 16, 1973, with the launch of Gerald P. Carr, Edwar ...
* Vance D. Brand – Command Module Pilot of Apollo-Soyuz Test Project * Donald K. Slayton – Docking Module Pilot of Apollo-Soyuz Test Project


Astronauts who died during the Apollo Program

Three astronauts died on the ground while training for the first crewed Apollo mission,
Apollo 1 Apollo 1, initially designated AS-204, was planned to be the first crewed mission of the Apollo program, the American undertaking to land the first man on the Moon. It was planned to launch on February 21, 1967, as the first low Earth orbital ...
.


See also

*
Mercury Seven The Mercury Seven were the group of seven astronauts selected to fly spacecraft for Project Mercury. They are also referred to as the Original Seven and Astronaut Group 1. Their names were publicly announced by NASA on April 9, 1959: Scott ...
* List of Gemini astronauts * List of Artemis astronauts


Notes


References

* * * *


External links

*
One Giant Leap for Mankind
35th Anniversary of Apollo 11, NASA, Michael Makara, accessed July 14, 2006 {{DEFAULTSORT:Apollo astronauts Astronauts by space program Apollo astronauts Apollo astronauts
Apollo Apollo is one of the Twelve Olympians, Olympian deities in Ancient Greek religion, ancient Greek and Ancient Roman religion, Roman religion and Greek mythology, Greek and Roman mythology. Apollo has been recognized as a god of archery, mu ...
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