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.
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.
STS-97 was a Space Shuttle mission to the International Space Station (ISS) flown by Space Shuttle Endeavour. The crew installed the first set of solar arrays to the ISS, prepared a docking port for arrival of the Destiny Laboratory Module, and delivered supplies for the station's crew. It was the last human spaceflight of the 20th century.
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) 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.
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.
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.
Mark Lewis "Roman" Polansky is an American aerospace engineer and research pilot and a former NASA astronaut. Polansky received the nickname "Roman" as a joke, because he shares a last name with director Roman Polanski. He flew on three Space Shuttle missions: STS-98, STS-116, and STS-127 and was first person of Korean ancestry in space.
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, the first three 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 Jr. 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.
