Catherine Grace "Cady" Coleman is an American chemist, engineer, former United States Air Force colonel, and retired NASA astronaut. She is a veteran of two Space Shuttle missions, and departed the International Space Station on May 23, 2011, as a crew member of Expedition 27 after logging 159 days in space.
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.
Koichi Wakata is a Japanese engineer and an astronaut working for Axiom Space. He retired from JAXA in 2024. Wakata is a veteran of four NASA Space Shuttle missions, a Russian Soyuz mission, and a long-duration stay on the International Space Station. During a nearly two-decade career in spaceflight, he has logged more than five hundred days in space. During Expedition 39, he became the first Japanese commander of the International Space Station. Wakata flew on the Soyuz TMA-11M/Expedition 38/Expedition 39 long duration spaceflight from 7 November 2013 to 13 May 2014. During this spaceflight he was accompanied by Kirobo, the first humanoid robot astronaut. As of 2023, he is the longest active astronaut in the world.
Scott Joseph Kelly is an American engineer, retired astronaut, and naval aviator. A veteran of four space flights, Kelly commanded the International Space Station (ISS) on Expeditions 26, 45, and 46.
Fyodor Nikolayevich Yurchikhin is a Russian cosmonaut of Pontic Greek descent, engineer and RSC Energia test-pilot who has flown on five spaceflights. His first spaceflight was a 10-day Space Shuttle mission STS-112. His second was a long-duration stay aboard the International Space Station (ISS) as a flight engineer for Expedition 15; for this mission he was launched in the Soyuz TMA-10 spacecraft. He has undertaken two further long-duration stays aboard the ISS, as a crew member of Expedition 24 / 25. For this mission he was launched with the spacecraft Soyuz TMA-19, and he landed in November 2010, also with the Soyuz TMA-19 spacecraft. He served as Soyuz commander for his fourth mission aboard Soyuz TMA-09M, as flight engineer for Expedition 36 and ISS commander for Expedition 37. In April 2017, Yurchikhin launched on Soyuz MS-04 for the fifth spaceflight of his career, a six-month mission to the ISS as part of Expedition 51 and 52, for which he was the commander.
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.
Douglas Harry "Wheels" Wheelock is an American engineer and astronaut. He has flown in space twice, logging 178 days on the Space Shuttle, International Space Station, and Russian Soyuz. On July 12, 2011, Wheelock announced that he would be returning to active duty with the United States Army in support of Operation Enduring Freedom. He is currently working with NASA to test the Orion spacecraft at the Glenn Research Center in Plum Brook, Ohio.
Timothy Lennart "Tim" Kopra is an American 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.
Timothy John "T. J." Creamer is a NASA flight director, retired astronaut and a colonel in the United States Army. Creamer was born in Fort Huachuca, Arizona, but considers Upper Marlboro, Maryland, to be his hometown. He is married to the former Margaret E. Hammer. They have two children.
Karen LuJean Nyberg is an American mechanical engineer and retired NASA astronaut. Nyberg became the 50th woman in space on her first mission in 2008. Nyberg holds a Ph.D in mechanical engineering. She started her space career in 1991 and spent a total of 180 days in space in 2008 and 2013 as a mission specialist on STS-124 and a flight engineer on Soyuz TMA-09M.
Thomas Henry Marshburn is an American physician and a former NASA astronaut. He is a veteran of three spaceflights to the International Space Station and holds the record for the oldest person to perform a spacewalk at 61 years old.
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.
Michael Reed "Mike" 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 pilots the SpaceX Crew-8 mission that launched on 4 March 2024.
NASA Astronaut Group 16 was a group of 44 astronauts announced by NASA on May 1, 1996. The class was nicknamed "The Sardines" for being such a large class, humorously implying that their training sessions would be as tightly packed as sardines in a can. These 44 candidates compose the largest astronaut class to date. NASA selected so many candidates in preparation for the anticipated need for ISS crew members, along with regular shuttle needs. Nine of the 44 astronauts selected were from other countries including 5 from Europe and 2 from Canada and Japan.
Soyuz TMA-19 was a crewed spaceflight to the International Space Station (ISS) and is part of the Soyuz programme. It was launched on 15 June 2010 carrying three members of the Expedition 24 crew to the International Space Station, who remained aboard the station for around six months. Soyuz TMA-19 was the 106th crewed flight of a Soyuz spacecraft, since the first mission which was launched in 1967. The spacecraft remained docked to the space station for the remainder of Expedition 24, and for Expedition 25, to serve as an emergency escape vehicle. It undocked from ISS and landed in Kazakhstan on 26 November 2010. It was the 100th mission to be conducted as part of the International Space Station programme since assembly began in 1998.
Kimiya Yui is a Japanese astronaut from the Japan Aerospace Exploration Agency (JAXA). He was selected for the agency in 2009.
NASA Astronaut Group 19 was a NASA spaceflight team that saw the training of two pilots, six mission specialists, three educator mission specialists to become NASA astronauts. These 11 astronauts began training in 2004. This was the last group to fly the Space Shuttle.
Kjell Norwood Lindgren is an American astronaut who was selected in June 2009 as a member of the NASA Astronaut Group 20. He launched to the International Space Station (ISS) as part of Expedition 44/45 on July 22, 2015.
NASA Astronaut Group 18. The group saw the training of seven pilots and ten mission specialists to become NASA astronauts. These 17 astronauts began training in August 2000.
Tracy Caldwell Dyson is an American chemist and NASA astronaut. She was a mission specialist on Space Shuttle Endeavour flight STS-118 in August 2007 and part of the Expedition 23 and Expedition 24 crew on the International Space Station from April 2010 to September 2010. She has completed three spacewalks, logging more than 22 hours of extravehicular activity. She is currently in space since March 23, 2024 for a third time, for a six-month mission onboard the ISS.
