Robert Brent "Bob" Thirsk, is a Canadian retired engineer and physician, and a former Canadian Space Agency astronaut. He holds the Canadian record for the most time spent in space. He became an officer of the Order of Canada (OC) in 2013 and was named to the Order of British Columbia (OBC) in 2012.
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.
Sandra Hall Magnus is an American engineer and a former NASA astronaut. She returned to Earth with the crew of STS-119 Discovery on March 28, 2009, after having spent 134 days in orbit. She was assigned to the crew of STS-135, the final mission of the Space Shuttle. She is also a licensed amateur radio operator with the call sign KE5FYE. From 2012 until 2018 Magnus was the executive director of the American Institute of Aeronautics and Astronautics.
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.
Claude Nicollier is the first astronaut from Switzerland. He has flown on four Space Shuttle missions. His first spaceflight (STS-46) was in 1992, and his final spaceflight (STS-103) was in 1999. He took part in two servicing missions to the Hubble Space Telescope. During his final spaceflight he participated in a spacewalk, becoming the first European Space Agency astronaut to do so during a Space Shuttle mission. In 2000 he was assigned to the Astronaut Office Extravehicular Activity Branch, while maintaining a position as Lead ESA Astronaut in Houston. Nicollier retired from ESA in April 2007.
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.
Michael Landon Gernhardt is a NASA astronaut and manager of the Environmental Physiology Laboratory, and principal investigator of the Prebreathe Reduction Program (PRP) at the Lyndon B. Johnson Space Center.
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.
Soichi Noguchi is a Japanese aeronautical engineer and former JAXA astronaut. His first spaceflight was as a mission specialist aboard STS-114 on 26 July 2005 for NASA's first "return to flight" Space Shuttle mission after the Columbia disaster. He was also in space as part of the Soyuz TMA-17 crew and Expedition 22 to the International Space Station (ISS), returning to Earth on 2 June 2010. He is the sixth Japanese astronaut to fly in space, the fifth to fly on the Space Shuttle, and the first to fly on Crew Dragon.
Michael Edward Fossum is a former American astronaut, engineer, and the Chief Operating Officer of Texas A&M University at Galveston. He flew into space on board the NASA Space Shuttle missions STS-121 and STS-124 and served as a mission specialist of Expedition 28 and commander of Expedition 29 aboard the International Space Station.
John Daniel "Danny" Olivas is an American engineer and a former NASA astronaut. Olivas has flown on two space shuttle missions, STS-117 and STS-128. He performed EVAs on both missions, totaling 34hrs 28min.
Heidemarie Martha Stefanyshyn-Piper is an American Naval officer and former NASA astronaut. She has achieved the rank of Captain in the United States Navy. She is also a qualified and experienced salvage officer. Her major salvage projects include de-stranding the tanker Exxon Houston off the coast of Barbers Point, on the island of Oahu, Hawaii, and developing the plan for the Peruvian Navy salvage of the Peruvian submarine Pacocha.
STS-132 was a NASA Space Shuttle mission, during which Space Shuttle Atlantis docked with the International Space Station on May 16, 2010. STS-132 was launched from the Kennedy Space Center on May 14, 2010. The primary payload was the Russian Rassvet Mini-Research Module, along with an Integrated Cargo Carrier-Vertical Light Deployable (ICC-VLD). Atlantis landed at the Kennedy Space Center on May 26, 2010.
Stanley Glen Love is an American scientist and a NASA astronaut from Oregon.
Andrew Jay "Drew" Feustel is a former American/Canadian NASA astronaut and geophysicist. Following several years working as a geophysicist, Feustel was selected as an astronaut candidate by NASA in July 2000. He is the veteran of 3 space flights with NASA. His first spaceflight in May 2009, STS-125, lasted just under 13 days. This was a mission with six other astronauts to repair the Hubble Space Telescope, aboard Space Shuttle Atlantis. Feustel performed three spacewalks during the mission. His second spaceflight was STS-134, which launched on May 16, 2011, and landed on June 1, 2011. STS-134 was the penultimate Space Shuttle flight. Feustel returned to space on March 21, 2018, on Soyuz MS-08 with Expedition 55/56. For expedition 56, he commanded the International Space Station, before handing over to Alexander Gerst on October 3, 2018.
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.
Akihiko Hoshide is a Japanese engineer, JAXA astronaut, and former commander of the International Space Station. On August 30, 2012, Hoshide became the third Japanese astronaut to walk in space.
Ronald John Garan Jr. is a retired NASA astronaut. After graduating from State University of New York College at Oneonta in 1982, he joined the Air Force, becoming a Second Lieutenant in 1984. He became an F-16 pilot, and flew combat missions in Desert Shield and Desert Storm. Before becoming an astronaut he was the Operations Officer of the 40th Flight Test Squadron (FTS). He first flew in space as a mission specialist on the May 2008 STS-124 mission to the International Space Station (ISS). He returned to ISS on April 4, 2011, for a six-month stay as a member of Expedition 27. Garan is a highly decorated former NASA astronaut who flew on the US Space Shuttle, Russian Soyuz, and International Space Station. In total he spent 178 days in space and more than 71 million miles in 2,842 orbits of Earth, 27 hours and 3 minutes of EVA in four spacewalks, and 18 days on the bottom of the ocean during the NEEMO-9 undersea mission.
Michael Reed Barratt is an American physician and a NASA astronaut. Specializing in aerospace medicine, he served as a flight surgeon for NASA before his selection as an astronaut, and has played a role in developing NASA's space medicine programs for both the Shuttle-Mir Program and International Space Station. His first spaceflight was a long-duration mission to the International Space Station, as a flight engineer in the Expedition 19 and 20 crew. In March 2011, Barratt completed his second spaceflight as a crew member of STS-133. Barratt will pilot the SpaceX Crew-8 mission in spring 2024.
Robert Louis Behnken is an American engineer, a former NASA astronaut, and former Chief of the Astronaut Office.
