Pamela Ann Melroy (born September 17, 1961) is an American retired

United States Air Force The United States Air Force (USAF) is the Air force, air service branch of the United States Department of Defense. It is one of the six United States Armed Forces and one of the eight uniformed services of the United States. Tracing its ori ...

officer and

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 ...

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 ...

serving as the deputy administrator of NASA. She served as pilot on

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. ...

missions STS-92 and

STS-112 STS-112 (ISS assembly sequence, ISS assembly flight 9A) was an 11-day Space Shuttle mission to the International Space Station (ISS) flown by . Space Shuttle ''Atlantis'' was launched on 7 October 2002 at 19:45 UTC from the Kennedy Space Center's ...

and commanded mission

STS-120 STS-120 was a Space Shuttle mission to the International Space Station (ISS) that launched on October 23, 2007, from the Kennedy Space Center, Florida. The mission is also referred to as ISS-10A by the ISS program. STS-120 delivered the ''Harmony ...

before leaving the agency in August 2009. After serving as deputy program manager of Space Exploration Initiatives with

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 ...

, Melroy joined 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 ...

in 2011, where she was a senior technical advisor and director of field operations for the FAA's Office of Commercial Space Transportation. In 2013, she left the FAA and joined

DARPA The Defense Advanced Research Projects Agency (DARPA) is a research and development agency of the United States Department of Defense responsible for the development of emerging technologies for use by the military. Originally known as the Adva ...

as deputy director of the Tactical Technology Office. She left the agency in February 2017. In November 2021, Melroy was inducted into the

United States Astronaut Hall of Fame The United States Astronaut Hall of Fame, located inside the Kennedy Space Center Visitor Complex Heroes & Legends building on Merritt Island, Florida, honors American astronauts and features the world's largest collection of their personal memor ...

at the

Kennedy Space Center Visitor Complex The Kennedy Space Center Visitor Complex is the visitor center at NASA's Kennedy Space Center on Merritt Island, Florida. It features exhibits and displays, historic spacecraft and memorabilia, shows, two IMAX theaters, and a range of bus tou ...

. The ceremony, planned for May 2020, was delayed due to the

COVID-19 pandemic The COVID-19 pandemic (also known as the coronavirus pandemic and COVID pandemic), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began with an disease outbreak, outbreak of COVID-19 in Wuhan, China, in December ...

Early life and education

Melroy was born in

Palo Alto Palo Alto ( ; Spanish language, Spanish for ) is a charter city in northwestern Santa Clara County, California, United States, in the San Francisco Bay Area, named after a Sequoia sempervirens, coastal redwood tree known as El Palo Alto. Th ...

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

, and graduated from Bishop Kearney High School in Rochester in 1979. She received a

Bachelor of Arts A Bachelor of Arts (abbreviated B.A., BA, A.B. or AB; from the Latin ', ', or ') is the holder of a bachelor's degree awarded for an undergraduate program in the liberal arts, or, in some cases, other disciplines. A Bachelor of Arts deg ...

Physics Physics is the scientific study of matter, its Elementary particle, fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. "Physical science is that department of knowledge whi ...

and

Astronomy Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in order to explain their origin and their overall evolution. Objects of interest includ ...

from

Wellesley College Wellesley College is a Private university, private Women's colleges in the United States, historically women's Liberal arts colleges in the United States, liberal arts college in Wellesley, Massachusetts, United States. Founded in 1870 by Henr ...

in 1983. She then earned her

Master of Science A Master of Science (; abbreviated MS, M.S., MSc, M.Sc., SM, S.M., ScM or Sc.M.) is a master's degree. In contrast to the Master of Arts degree, the Master of Science degree is typically granted for studies in sciences, engineering and medici ...

in Earth and

Planetary Science Planetary science (or more rarely, planetology) is the scientific study of planets (including Earth), celestial bodies (such as moons, asteroids, comets) and planetary systems (in particular those of the Solar System) and the processes of ...

from the

Massachusetts Institute of Technology The Massachusetts Institute of Technology (MIT) is a Private university, private research university in Cambridge, Massachusetts, United States. Established in 1861, MIT has played a significant role in the development of many areas of moder ...

in 1984. On May 18, 2008, Melroy received an honorary degree from

Iona College Iona University () is a private Catholic university with a main campus in New Rochelle, New York, United States. It was founded in 1940 by the Congregation of Christian Brothers and occupies a campus of in New Rochelle and a campus of in Bro ...

New Rochelle, New York New Rochelle ( ; in ) is a Political subdivisions of New York State#City, city in Westchester County, New York, Westchester County, New York (state), New York, United States. It is a suburb of New York City, located approximately from Midtow ...

Career

Military

Melroy was commissioned through

Air Force ROTC The Air Force Reserve Officers' Training Corps (AFROTC) is one of the three primary commissioning sources for officers in the United States Air Force and United States Space Force, the other two being the United States Air Force Academy (USAFA ...

, Detachment 365, in 1984. After completing a master's degree, she attended Undergraduate Pilot Training at

Reese Air Force Base Reese Air Force Base was a former U.S. Army Air Base located near Lubbock, Texas. It was closed in 1997 and converted into a research center. History Reese Air Force Base began as the Lubbock Army Air Corps Advanced Flying School in 1942. It ...

in Lubbock, Texas and was graduated in 1985. She flew the

KC-10 The McDonnell Douglas KC-10 Extender is an American tanker and cargo aircraft that was operated by the United States Air Force (USAF) from 1981 to 2024. A military version of the three-engine DC-10 airliner, the KC-10 was developed from the Adv ...

for six years at

Barksdale Air Force Base Barksdale Air Force Base (Barksdale AFB) is a United States Air Force (USAF) base in Bossier Parish, Louisiana, in northwest Louisiana. Much of the base is within the city limits of Bossier City, Louisiana, along the base's western and northwest ...

in Bossier City, Louisiana, as a copilot, aircraft commander and instructor pilot. Melroy is a veteran of the United States invasion of Panama and Operation

Desert Shield , combatant2 = , commander1 = , commander2 = , strength1 = Over 950,000 soldiers3,113 tanks1,800 aircraft2,200 artillery systems , page = https://www.govinfo.gov/content/pkg/GAOREPORTS-PEMD-96- ...

Desert Storm , combatant2 = , commander1 = , commander2 = , strength1 = Over 950,000 soldiers3,113 tanks1,800 aircraft2,200 artillery systems , page = https://www.govinfo.gov/content/pkg/GAOREPORTS-PEMD-96- ...

, with over 200 combat and combat support hours. In June 1991, she attended the Air Force Test Pilot School at

Edwards Air Force Base Edwards Air Force Base (AFB) is a United States Air Force installation in California. Most of the base sits in Kern County, California, Kern County, but its eastern end is in San Bernardino County, California, San Bernardino County and a souther ...

, California. Upon her graduation, she was assigned to the

C-17 The McDonnell Douglas/Boeing C-17 Globemaster III is a large military transport aircraft developed for the United States Air Force (USAF) between the 1980s to the early 1990s by McDonnell Douglas. The C-17 carries forward the name of two previ ...

Combined Test Force, where she served as a test pilot until her selection for the astronaut program. She has logged over 5,000 hours of flight time in over 50 different aircraft. Melroy retired from the Air Force in February 2007.

NASA

Selected as an astronaut candidate by

in December 1994, Melroy reported to the

Johnson Space Center The Lyndon B. Johnson Space Center (JSC) is NASA's center for human spaceflight in Houston, Texas (originally named the Manned Spacecraft Center), where human spaceflight training, research, and flight controller, flight control are conducted. ...

in March 1995. She completed a year of training and evaluation and was qualified for flight assignment as a shuttle pilot. Initially assigned to astronaut support duties for launch and landing, she also worked Advanced Projects for the Astronaut Office. She also performed CAPCOM duties in mission control. Melroy served on the ''Columbia'' Reconstruction Team as the lead for the crew module and served as deputy project manager for the ''Columbia'' crew survival investigation team. In her final position, she served as branch chief for the Orion branch of the Astronaut Office. Melroy served as pilot on two flights (STS-92 in 2000 and STS-112 in 2002), and was the mission commander on STS-120 in 2007, making her the second woman to command a Space Shuttle mission (after

Eileen Collins Eileen Marie Collins (born 19 November 1956) is an American retired NASA astronaut and Air Force colonel. A flight instructor and test pilot, Collins was the first woman to pilot the Space Shuttle and the first to command a Space Shuttle missio ...

). The STS-120 crew visited the station during

Expedition 16 Expedition 16 was the 16th List of International Space Station Expeditions, expedition to the International Space Station (ISS). The first two crew members, Yuri Malenchenko and Peggy Whitson, launched on 10 October 2007, aboard Soyuz TMA-11, an ...

, commanded by

Peggy Whitson Peggy Annette Whitson (born February 9, 1960) is an American biochemistry researcher, and astronaut working for Axiom Space. She retired from NASA in 2018, after serving as Chief Astronaut. Over all her missions, Whitson accumulated a total of ...

. Whitson was the first female ISS commander, making the

mission the first time that two female mission commanders were in orbit at the same time. She has logged over 924 hours (over 38 days) in space.

Spaceflight experience

* STS-92 ''

Discovery Discovery may refer to: * Discovery (observation), observing or finding something unknown * Discovery (fiction), a character's learning something unknown * Discovery (law), a process in courts of law relating to evidence Discovery, The Discovery ...

'' (October 11–24, 2000) was launched from the

Kennedy Space Center The John F. Kennedy Space Center (KSC, originally known as the NASA Launch Operations Center), located on Merritt Island, Florida, is one of the NASA, National Aeronautics and Space Administration's (NASA) ten NASA facilities#List of field c ...

, Florida and returned to land at Edwards Air Force Base, California. During the 13-day flight, the seven member crew attached the

Z1 Truss The Integrated Truss Structure (ITS) of the International Space Station (ISS) consists of a linear arranged sequence of connected trusses on which various unpressurized components are mounted such as logistics carriers, radiators, solar arrays, ...

and Pressurized Mating Adapter 3 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 ...

using ''Discovery''s robotic arm and performed four spacewalks to configure these elements. This expansion of the ISS opened the door for future assembly missions and prepared the station for its first resident crew. The STS-92 mission was accomplished in 202 orbits, traveling 5.3 million miles in 12 days, 21 hours, 40 minutes and 25 seconds. *

Atlantis Atlantis () is a fictional island mentioned in Plato's works '' Timaeus'' and ''Critias'' as part of an allegory on the hubris of nations. In the story, Atlantis is described as a naval empire that ruled all Western parts of the known world ...

'' (October 7–18, 2002) launched from and returned to land at the Kennedy Space Center, Florida. STS-112 was an International Space Station assembly mission during which the crew conducted joint operations with the Expedition-5 by delivering and installing the S1 Truss (the third piece of the station's 11-piece Integrated Truss Structure). It took three spacewalks to outfit and activate the new component, during which Melroy acted as internal spacewalk choreographer. STS-112 was the first shuttle mission to use a camera on the External Tank, providing a live view of the launch to flight controllers and NASA TV viewers. The mission was accomplished in 170 orbits, traveling 4.5 million miles in 10 days, 19 hours, and 58 minutes. *

'' (October 23 – November 7, 2007) launched from and returned to land at the Kennedy Space Center. During the mission, the

Node 2 ''Harmony'', also known as ''Node 2'', is the "utility hub" of the International Space Station. It connects the laboratory modules of the United States, Europe and Japan, as well as providing electrical power and electronic data. Sleeping cabi ...

element named ''Harmony'' was delivered to the International Space Station. This element opened up the capability for future international laboratories to be added to the station. In addition, the P6 Solar Array was re-located from the Z1 Truss to the end of the port side of the Integrated Truss Structure. During the re-deploy of the array, the array panels snagged and were damaged. An unplanned spacewalk was successfully performed to repair the array. The mission was accomplished in 238 orbits, traveling 6.2 million miles in 15 days, 2 hours, and 23 minutes.

Deputy administrator

In November 2020, Melroy was announced as a member of President-elect Joe Biden's presidential transition Agency Review Team, where her role was to support transition efforts related to NASA. This fueled speculation that Melroy was under consideration for the role of

NASA Administrator The administrator of the National Aeronautics and Space Administration is the highest-ranking official of NASA, the national List of space agencies, space agency of the United States. The administrator is NASA's chief decision maker, responsible ...

in the

Biden administration Joe Biden's tenure as the List of presidents of the United States, 46th president of the United States began with Inauguration of Joe Biden, his inauguration on January 20, 2021, and ended on January 20, 2025. Biden, a member of the Democr ...

(then-Administrator

James Bridenstine James Frederick Bridenstine (born June 15, 1975) is an American military officer and politician who served as the 13th administrator of the National Aeronautics and Space Administration (NASA). Bridenstine was the United States representative f ...

had indicated that he did not intend to stay in the role under Biden, even if asked). On April 16, 2021, The White House announced their intent to nominate Melroy to be NASA's deputy administrator, under former Democratic Senator

Bill Nelson Clarence William Nelson II (born September 29, 1942) is an American politician, attorney, and former astronaut who served from 2001 to 2019 as a United States Senate, United States senator from Florida and from 2021 to 2025 as the Administrator ...

, who was nominated by the White House on March 19, 2021, to be the agency's administrator. On April 22, 2021, her nomination was sent to the Senate. The

Senate Committee on Commerce, Science, and Transportation The United States Senate Committee on Commerce, Science, and Transportation is a standing committee of the United States Senate. Besides having broad jurisdiction over all matters concerning interstate commerce, science and technology policy, a ...

held a hearing on May 20, 2021, in which Melroy won strong bipartisan support to be deputy administrator. During her hearing, Melroy expressed support for extending the lifetime of the International Space Station, and said she would work closely with Administrator Bill Nelson in running the agency. On June 16, 2021, her nomination was reported out of the

Senate Commerce Committee The United States Senate Committee on Commerce, Science, and Transportation is a standing committee of the United States Senate. Besides having broad jurisdiction over all matters concerning interstate commerce, science and technology policy, a ...

by voice vote, and the following day, her nomination was confirmed by the full

Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...

unanimous consent In parliamentary procedure, unanimous consent, also known as general consent, or in the case of the parliaments under the Westminster system, leave of the house (or leave of the senate), is a situation in which no member present objects to a propo ...

. On June 21, 2021, she was sworn into office by administrator

Personal life

Melroy is married to Douglas Hollett, a geologist, who was previously acting

assistant secretary for fossil energy The Assistant Secretary of Energy for Fossil Energy and Carbon Management is the head of the Office of Fossil Energy and Carbon Management within the United States Department of Energy. As of 2007, the Office of Fossil Energy and Carbon Management ...

in the

United States Department of Energy The United States Department of Energy (DOE) is an executive department of the U.S. federal government that oversees U.S. national energy policy and energy production, the research and development of nuclear power, the military's nuclear w ...

and vice president for Southeast Asia exploration at

Marathon Oil Marathon Oil Corporation was an American company engaged in hydrocarbon exploration. In November 2024, it was acquired by ConocoPhillips and absorbed into the company. Marathon was founded in Lima, Ohio, as the Ohio Oil Company. In 1899, the ...

References

External links

NASA biography
* {{DEFAULTSORT:Melroy, Pamela Living people 1961 births American women astronauts American women aviators Biden administration personnel Deputy administrators of NASA Massachusetts Institute of Technology School of Science alumni Military personnel from California Military personnel from Palo Alto, California Military personnel from New York (state) Military personnel from Rochester, New York NASA civilian astronauts Space Shuttle program astronauts United States Air Force astronauts United States Air Force officers United States Air Force personnel of the Gulf War United States Air Force personnel of the War in Afghanistan (2001–2021) United States Air Force personnel of the Iraq War United States Astronaut Hall of Fame inductees U.S. Air Force Test Pilot School alumni Wellesley College alumni Whitin Observatory Women in the Iraq War Women in the United States Air Force Women military aviators American female military personnel of the Gulf War