James Donald "Wxb" Wetherbee, is a retired United States Navy officer and aviator, test pilot, aerospace engineer, and NASA astronaut. He is a veteran of six Space Shuttle missions and is the only American to have commanded five spaceflight missions.
Vance DeVoe Brand is a retired American naval officer, aviator, aeronautical engineer, test pilot, and NASA astronaut. He served as command module pilot during the first U.S.-Soviet joint spaceflight in 1975, and as commander of three Space Shuttle missions.
Robert Franklyn "Bob" Overmyer was an American test pilot, naval aviator, aeronautical engineer, physicist, United States Marine Corps officer, and USAF/NASA astronaut. Overmyer was selected by the Air Force as an astronaut for its Manned Orbiting Laboratory in 1966. Upon cancellation of the program in 1969, he became a NASA astronaut and served support crew duties for the Apollo program, Skylab program, and Apollo-Soyuz Test Project. In 1976, he was assigned to the Space Shuttle program and flew as pilot on STS-5 in 1982 and as commander on STS-51-B in 1985. He was selected as a lead investigator into the Space Shuttle Challenger disaster in 1986, retiring from NASA that same year. A decade later, Overmyer died while testing the Cirrus VK-30 homebuilt aircraft.
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.
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.
Robert Donald Cabana is a former Associate Administrator of the National Aeronautics and Space Administration (NASA) and retired NASA astronaut, having flown on 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.
Kenneth Donald Cameron, , is an American retired naval aviator, test pilot, engineer, U.S. Marine Corps officer, and NASA astronaut.
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.
Bryan Daniel O'Connor is a retired United States Marine Corps Colonel and former NASA astronaut. He was inducted into the United States Astronaut Hall of Fame in 2008.
Charles Joseph Precourt is a retired NASA astronaut. His career in flight began at an early age, and spans his entire lifetime. He served in the US Air Force, piloted numerous jet aircraft, and piloted and commanded the Space Shuttle. Notably, he piloted or commanded several missions which involved docking with the Russian Mir space station and was heavily involved in Russian/US Space relations as well as the International Space Station collaboration. He also served as Chief of the Astronaut Office from 1998 to 2002. He retired from the USAF with the rank of colonel.
Robert Clyde Springer is a retired American astronaut and test pilot who flew as a mission specialist on two NASA Space Shuttle missions in 1989 and 1990. A decorated aviator in the United States Marine Corps, Springer also flew more than 500 combat sorties during the Vietnam War. He has logged over 237 hours in space and 4,500 hours flying time, including 3,500 hours in jet aircraft.
Frederick Wilford "Rick" Sturckow is an engineer, retired United States Marine Corps officer, former NASA astronaut, and commercial spacecraft pilot. Sturckow is a veteran of four Space Shuttle missions. He flew as a pilot on STS-88 and STS-105 and as a commander on STS-117 and STS-128. All four missions docked with the International Space Station, making Sturckow one of three American astronauts to visit the station four times. Sturckow later was assigned to the Johnson Space Center as a CAPCOM. He left NASA in 2013 to become a pilot for Virgin Galactic.
Kenneth Todd "Hock" Ham is a retired American astronaut and a captain in the United States Navy. Ham was selected for NASA's astronaut program in August 1998, while serving as the F/A-18E/F Super Hornet lead carrier suitability test pilot. Ham's aviator call sign is "Hock". Ham traveled to space twice as part of the Space Shuttle program. He flew on STS-124 as pilot and then on STS-132 as mission commander.
Christopher J. "Fergy" Ferguson is a Boeing commercial astronaut and a retired United States Navy captain and NASA astronaut. He was the pilot of Space Shuttle Atlantis on his first mission to space, STS-115, which launched on September 9, 2006, and returned to Earth on September 21, 2006. He then commanded STS-126 aboard Space ShuttleEndeavour. In 2011, he was assigned as commander of STS-135, which was the final mission of the space shuttle program.
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.
George David "Zambo" Zamka is a former NASA astronaut and United States Marine Corps pilot with over 3500 flight hours in more than 30 different aircraft. Zamka piloted the Space Shuttle Discovery in its October 2007 mission to the International Space Station and served as the commander of mission STS-130 in February 2010.
STS-129 was a NASA Space Shuttle mission to the International Space Station (ISS). Atlantis was launched on November 16, 2009, at 14:28 EST, and landed at 09:44 EST on November 27, 2009, on runway 33 at the Kennedy Space Center's Shuttle Landing Facility. It was also the last Shuttle mission of the 2000s.
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.
Douglas Gerald Hurley is an American engineer, former Marine Corps pilot, and former NASA astronaut. He piloted Space Shuttle missions STS-127 and STS-135, the final flight of the Space Shuttle program. He launched into space for the third time as commander of Crew Dragon Demo-2, the first crewed spaceflight from American soil since STS-135 and became, together with Bob Behnken, the first astronaut in history launching aboard a commercial orbital spacecraft. He was also the first Marine to fly the F/A-18 E/F Super Hornet. His call sign is "Chunky", and he was sometimes referred to by this name on the communication loops.
