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 a JAXA astronaut. 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 eleven months 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.
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.
Major Paolo Angelo Nespoli is an Italian astronaut and engineer of the European Space Agency (ESA). In 2007, he first traveled into space aboard the Space Shuttle Discovery as a mission specialist of STS-120. In December 2010 he again traveled into space aboard the Soyuz TMA-20 spacecraft as an Expedition 26/27 flight engineer. Nespoli's third spaceflight was on board Soyuz MS-05, which launched in July 2017 for Expedition 52/53. He was also the European Space Agency's oldest active astronaut prior to his retirement in 2019.
Shannon Walker is an American physicist and a NASA astronaut selected in 2004. She launched on her first mission into space on June 25, 2010, onboard Soyuz TMA-19 and spent over 163 days in space.
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.
Sergey Nikolayevich Ryzhikov, lieutenant colonel of Russian Air Force, is a Russian cosmonaut, selected in 2006. He is a veteran of two long duration space flights to the ISS.
Oleg Dmitriyevich Kononenko is a Russian cosmonaut. He has flown to the International Space Station five times as a flight engineer for Expedition 17 aboard Soyuz TMA-12, as a flight engineer on Expedition 30 and commander of Expedition 31 aboard Soyuz TMA-03M, as a flight engineer on Expedition 44 and Expedition 45 aboard Soyuz TMA-17M, and as commander of Expedition 58 and Expedition 59 aboard Soyuz MS-11 and Expedition 70 and Expedition 71 aboard Soyuz MS-24/MS-25.
Andrey Ivanovich Borisenko is a Russian cosmonaut. He was selected as a cosmonaut in May 2003, and is a veteran of two long duration missions to the International Space Station.
NASA Astronaut Group 17, were chosen by NASA in 1998 and announced on June 4 of that year. The group of 32 candidates included eight pilots, 17 mission specialists, and seven international mission specialists who became NASA astronauts. They began training in August 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.
Michael Scott "Mike" Hopkins is a United States Space Force colonel and a former NASA astronaut. Hopkins was selected in June 2009 as a member of the NASA Astronaut Group 20. He made his first spaceflight as a Flight Engineer on Soyuz TMA-10M/Expedition 37/Expedition 38, from September 2013 until March 2014. He is the first member of his astronaut class to fly in space. Hopkins is the first astronaut to transfer to the U.S. Space Force, participating in a transfer ceremony on the International Space Station. Prior to his transfer, he served over 27 years in the United States Air Force.
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.
Anatoli Alekseyevich Ivanishin is a former Russian cosmonaut. His first visit to space was to the International Space Station on board the Soyuz TMA-22 spacecraft as an Expedition 29 / Expedition 30 crew member, launching in November 2011 and returning in April 2012. Ivanishin was the Commander of the International Space Station for Expedition 49.
In 2011 NASA opened applications for Astronaut Group 21. The team was announced in June 2013 after a year and a half long search. With four men and four women, the class of 2013 had the highest percentage of female finalists. According to NASA astronaut Kathleen Rubins, "it's… a reflection of how many really talented women are in science and engineering these days." NASA received a total of over 6,300 applications, which made it the second highest number received at the time.
NASA Astronaut Group 22 is a group of twelve NASA astronauts selected in June 2017. They were joined by two Canadian Space Agency astronauts for training.
