Colin Michael Foale is a British-American astrophysicist and a former NASA astronaut. He is a veteran of six space missions, and is the only NASA astronaut to have flown extended missions aboard both Mir and the International Space Station. He was the second Briton in space and the first to perform a space walk. Until 17 April 2008, he held the record for most time spent in space by a US citizen: 374 days, 11 hours, 19 minutes, and he still holds the cumulative-time-in-space record for a British citizen.
Nancy Jan Davis is a former American astronaut. A veteran of three space flights, Davis logged over 673 hours in space. She is now retired from NASA.
Curtis Lee "Curt" Brown Jr. is a former NASA astronaut and retired United States Air Force colonel.
Richard James Hieb is a former NASA astronaut and a veteran of three Space Shuttle missions. He was a mission specialist on STS-39 and STS-49, and was a payload commander on STS-65. After leaving NASA he worked at AlliedSignal and Orbital before spending 14 years as an executive at Lockheed Martin. He is currently a faculty member in the University of Colorado Boulder Smead Aerospace Engineering Sciences Department.
Andrew Michael "Andy" Allen is a retired American astronaut. A former Marine aviator and lieutenant colonel, he worked as a test pilot before joining NASA in 1987. He flew three Space Shuttle missions before retiring in 1997.
Michael Allen Baker is a retired captain in the United States Navy, former NASA astronaut, and the International Space Station Program Manager for International and Crew Operations, at NASA's Johnson Space Center. He is responsible for the coordination of program operations, integration and flight crew training and support activities with the International Partners.
Robert Donald Cabana is the Associate Administrator of the National Aeronautics and Space Administration (NASA), a NASA astronaut, and a veteran of four Space Shuttle flights. He served as Chief of the Astronaut Office from 1994 to 1997 and as director of the John F. Kennedy Space Center from 2008 to 2021. He is also a former naval flight officer and naval aviator in the United States Marine Corps.
Brian Duffy is a retired U.S. Air Force colonel and a former NASA astronaut. He flew aboard four Space Shuttle missions.
Charles Donald "Sam" Gemar is an American former astronaut with NASA and a lieutenant colonel in the United States Army. Gemar has flown on three Space Shuttle missions. Gemar has completed 385 orbits of the Earth and over 581 hours in space. He has also served in different positions in NASA, including as a CAPCOM for Shuttle missions. Gemar was the first astronaut to be born in the state of South Dakota.
Gregory Jordan Harbaugh is an aeronautical/astronautical engineer and former NASA astronaut. He flew on four space shuttle missions as a mission specialist with responsibilities that included Remote Manipulator System (RMS) operation and Extravehicular Activity (EVAs). He performed three spacewalks during the shuttle missions including in support of repair/refurbishment of the Hubble Space Telescope.
Terence Thomas "Tom" Henricks is a retired colonel in the United States Air Force and a former NASA astronaut. He served on four Space Shuttle missions.
Brent Ward Jett Jr., , is a retired American naval officer and aviator, test pilot, aerospace and aeronautical engineer, and NASA astronaut.
Donald Ray McMonagle is a former astronaut and a veteran of three shuttle flights. He became the Manager, Launch Integration, at the Kennedy Space Center, Florida, on August 15, 1997. In this capacity he was responsible for final shuttle preparation, launch execution, and return of the orbiter to KSC following landings at any other location. He was chair of the Mission Management Team, and was the final authority for launch decision.
Stephen Scot Oswald is an American former pilot and NASA astronaut.
Pierre Joseph Thuot is a retired United States Navy captain and NASA astronaut. He went into space three times, spending over 650 hours in space, including over 15 hours in three space walks. He is a former U.S. record holder for time spent on one spacewalk, and participated in the first three-person spacewalk.
James Shelton Voss is a retired United States Army colonel and NASA astronaut. During his time with NASA, Voss flew in space five times on board the Space Shuttle and International Space Station. He also served as deputy of Flight Operations for the Space Station Program Mission Integration and Operations Office. While participating in ISS Expedition 2, he and Susan Helms conducted an 8-hour and 56 minute spacewalk, the longest to date.
NASA Astronaut Group 13 was a group of 23 astronauts announced by NASA on 17 January 1990. The group name came from its selection of a black cat as a mascot, to play against the traditional unlucky connotations of the number 13.
NASA Astronaut Group 16 was a group of 44 astronauts announced by NASA on May 1, 1996. The class was nicknamed "The Sardines" for being such a large class, humorously implying that their training sessions would be as tightly packed as sardines in a can. These 44 candidates compose the largest astronaut class to date. NASA selected so many candidates in preparation for the anticipated need for ISS crew members, along with regular shuttle needs. Nine of the 44 astronauts selected were from other countries including 5 from Europe and 2 from Canada and Japan.
NASA Astronaut Group 12 was a group of 15 astronauts announced by NASA on June 5, 1987.
Kenneth Stanley Reightler Jr. is a former NASA astronaut.
