Scott Douglas "Scooter" Altman is a retired United States Navy Captain and naval aviator, engineer, test pilot and former NASA astronaut. He is a veteran of four Space Shuttle missions. His fourth mission on STS-125 was the last servicing mission to the Hubble Space Telescope. As of November 2022, he is the president of the Space operating group for ASRC Federal.
Michael López-Alegría is an astronaut, test pilot and commercial astronaut with dual nationality, American and Spanish; a veteran of three Space Shuttle missions and one International Space Station mission. He is known for having performed ten spacewalks so far in his career, presently holding the second longest all-time EVA duration record and having the fifth-longest spaceflight of any American at the length of 215 days; this time was spent on board the ISS from September 18, 2006, to April 21, 2007. López-Alegría commanded Axiom-1, the first ever all-private team of commercial astronaut mission to the International Space Station, which launched on April 8, 2022, and spent just over 17 days in Earth's orbit.
Jerry Lynn Ross is a retired United States Air Force officer, engineer, and a former NASA astronaut. Ross is a veteran of 7 Space Shuttle missions, making him the joint record holder for most spaceflights.
Richard Noel "Dick" Richards, , is a retired American naval officer and aviator, test pilot, chemical engineer, and a former NASA astronaut. He flew aboard four Space Shuttle missions in the 1980s and 1990s.
Paul Joseph Weitz was an American naval officer and aviator, aeronautical engineer, test pilot, and NASA astronaut, who flew into space twice. He was a member of the three-man crew who flew on Skylab 2, the first crewed Skylab mission. He was also commander of the STS-6 mission, the maiden flight of the Space Shuttle Challenger.
Norman Earl Thagard, is an American scientist and former U.S. Marine Corps officer and naval aviator and NASA astronaut. He is the first American to ride to space on board a Russian vehicle, and can be considered the first American cosmonaut. He did this on March 14, 1995, in the Soyuz TM-21 spacecraft for the Russian Mir-18 mission.
Robert Lee Stewart is an American retired military officer and NASA astronaut who was a brigadier general of the United States Army.
Daniel Wheeler Bursch is a former NASA astronaut, and Captain of the United States Navy. He had four spaceflights, the first three of which were Space Shuttle missions lasting 10 to 11 days each. His fourth and final spaceflight was a long-duration stay aboard the International Space Station as a crew member of Expedition 4, which lasted from December 2001 to June 2002. This 196-day mission set a new record for the longest duration spaceflight for an American astronaut, a record simultaneously set with his crew mate Carl Walz. Their record has since been broken, and as of 2016 it is held by Scott Kelly, who flew a 340-day mission during Expeditions 43, 44 and 45.
Patrick Graham Forrester is a NASA astronaut, engineer, and former Chief of the Astronaut Office. He is a retired United States Army colonel and Army aviator. He is married and has two children.
Richard Francis "Dick" Gordon Jr. was an American naval officer and aviator, test pilot, and NASA astronaut, and a football executive. He was one of 24 people to have flown to the Moon, as command module pilot of the Apollo 12 mission, which orbited the Moon 45 times. Gordon had already flown in space as the pilot of the 1966 Gemini 11 mission.
Frank Lee Culbertson Jr. is an American former naval officer and aviator, test pilot, aerospace engineer, NASA astronaut, graduate of the US Naval Academy, and member of the United States Astronaut Hall of Fame. He served as the commander of the International Space Station for almost four months in 2001 and was the only U.S. citizen not on Earth when the September 11 attacks occurred.
Wendy Barrien Lawrence is a retired United States Navy Captain, an engineer, and former helicopter pilot and NASA astronaut. She was the first female graduate of the United States Naval Academy to fly into space and she has also visited the Russian Space Station Mir. She was a mission specialist on STS-114, the first Space Shuttle flight after the Space Shuttle Columbia disaster. She is married to Cathy Watson, a former NASA scientist.
Bruce Edward Melnick is a retired American astronaut and United States Coast Guard officer. Following retirement from NASA and the Coast Guard, he entered the aerospace industry. He served as a vice president with the Boeing Co.'s Integrated Defense Systems group, in charge of Boeing's Florida operations at the John F. Kennedy Space Center (KSC). Melnick retired in 2008 and currently resides on Merritt Island, Florida.
Carlos Ismael Noriega is a Peruvian-American NASA employee, a former NASA astronaut and a retired U.S. Marine Corps lieutenant colonel.
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.
Daniel M. Tani is an American engineer and retired NASA astronaut. He was born in Ridley Park, Pennsylvania, but considers Lombard, Illinois, to be his hometown.
Timothy Lennart "Tim" Kopra is an engineer, a Colonel in the United States Army and a retired NASA astronaut. He served aboard the International Space Station as a flight engineer for Expedition 20, returning to Earth aboard Space Shuttle Discovery on the STS-128 mission on September 11, 2009. He returned to the ISS for the second time in December 2015, as part of Expedition 46 and as the commander of 47.
Alan Goodwin "Dex" Poindexter was an American naval officer and a NASA astronaut. Poindexter was selected in the 1998 NASA Group (G17) and went into orbit aboard Space Shuttle missions STS-122 and STS-131.
Michael James Foreman is a retired U.S. Navy pilot and a NASA astronaut. While with NASA, Foreman was part of a mission that delivered the Japanese Experiment Module and the Canadian Special Purpose Dexterous Manipulator to the International Space Station. Foreman was also a crewmember of the STS-129 mission in November 2009. In 2018, he was elected mayor of Friendswood, Texas; he was re-elected to a second 3-year term in 2021.
Randolph James "Komrade" Bresnik is a retired officer in the United States Marine Corps and an active NASA astronaut. A Marine Aviator by trade, Bresnik was selected as a member of NASA Astronaut Group 19 in May 2004. He first launched to space on STS-129, then served as flight engineer for Expedition 52, and as ISS commander for Expedition 53.
