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.
David Cornell Leestma is a former American astronaut and retired Captain in the United States Navy.
Robert Lee Curbeam Jr. is a former NASA astronaut and captain in the United States Navy. He currently holds the record for the most spacewalks during a single spaceflight, accomplished during the STS-116 mission, when Curbeam completed four spacewalks.
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.
Robert Donald Cabana is a former Associate Administrator of the National Aeronautics and Space Administration (NASA), NASA astronaut and non-flight-eligible management astronaut), and is 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.
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.
David Carl Hilmers is a former NASA astronaut who flew four Space Shuttle missions. He was born in Clinton, Iowa, but considers DeWitt, Iowa, to be his hometown. He has two grown sons. His recreational interests include playing the piano, gardening, electronics, spending time with his family, and all types of sports. His parents are deceased. With five academic degrees, he is the second most formally educated U.S. astronaut, behind Story Musgrave with six.
Charles Owen Hobaugh is a former NASA astronaut and a retired U.S. Marine Corps officer. He has had three spaceflights, all of which were Space Shuttle missions to the International Space Station, lasting between 10 and 13 days.
Kevin Richard Kregel is an American former astronaut, and former member of the Space Launch Initiative Project at the Lyndon B. Johnson Space Center.
Steven Wayne Lindsey is a retired U.S. Air Force officer and NASA astronaut. Lindsey served as Chief of the NASA Astronaut Office from September 2006 until October 2009.
Richard Michael Linnehan is a United States Army veterinarian and a NASA astronaut.
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.
John Lynch Phillips is a NASA astronaut. Phillips is also a Naval Aviator and retired captain, United States Navy Reserve. Phillips has received numerous awards and special honors. He is a National Merit Scholar, graduated 2nd in his class of 906 people at the U.S. Naval Academy in 1972. Phillips has also been awarded the NASA Space Flight Medal, NASA Distinguished Service Medal, the Gagarin Medal and several others. Phillips has logged over 4,400 flight hours and 250 aircraft carrier landings, flying the A-7 Corsair II carrier-based light attack aircraft while on active duty in the Regular Navy and subsequently during his time as a Navy Reservist from 1982 to 2002. At the time of his retirement, Phillips had retained the rank of captain.
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.
Rex Joseph Walheim is a retired United States Air Force officer, engineer and NASA astronaut. He flew three Space Shuttle missions, STS-110, STS-122, and STS-135. Walheim logged over 566 hours in space, including 36 hours and 23 minutes of spacewalk (EVA) time. He was assigned as mission specialist and flight engineer on STS-135, the final Space Shuttle mission.
Carl Erwin Walz is a retired NASA astronaut currently working for Orbital Sciences Corporation's Advanced Programs Group as vice president for Human Space Flight Operations. Walz was formerly assigned to the Exploration Systems Mission Directorate at NASA Headquarters in Washington, D.C. He was the Acting Director for the Advanced Capabilities Division in the Exploration Systems Mission Directorate, and was responsible for a broad range of activities to include Human Research, Technology Development, Nuclear Power and Propulsion and the Lunar Robotic Exploration Programs to support the Vision for Space Exploration.
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. He is running unopposed and will serve a third 3-year term beginning in 2024.
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.
Stephen Gerard"Steve"Bowen is a United States Navy submariner and a NASA astronaut; he was the second submariner to travel into space. Bowen has been on four spaceflights, all of which were Space Shuttle missions to the International Space Station. His first mission, STS-126, took place in November 2008, and his second was STS-132 in May 2010. His third was STS-133 in February 2011, and his fourth was SpaceX Crew-6 in March 2023.
Benjamin Alvin Drew is a United States Air Force officer and a former NASA astronaut. He has been on two spaceflights; the first was the Space Shuttle mission STS-118 to the International Space Station, in August 2007. Drew's second spaceflight took place in March 2011 on STS-133, another mission to the International Space Station. STS-133 was Space Shuttle Discovery's final mission. Drew took part in two spacewalks while docked to the station. Drew was the final African-American to fly on board a Space Shuttle, as the final two Space Shuttle missions, STS-134 and STS-135, had no African-American crew members.
