Joseph Michael Acabá is an American educator, hydrogeologist, and NASA astronaut. In May 2004, he became the first person of Puerto Rican ancestry to be named as a NASA astronaut candidate, when he was selected as a member of NASA Astronaut Training Group 19. He completed his training on February 10, 2006, and was assigned to STS-119, which flew from March 15 to 28, 2009, to deliver the final set of solar arrays to the International Space Station. He is the first person of Boricua origin, and the twelfth of fifteen people of Ibero-american heritage to have flown to space.
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.
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.
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 pilots the SpaceX Crew-8 mission that launched on 4 March 2024.
Alexander Alexanderovich Misurkin, a major in the Russian Air Force, is a Russian cosmonaut, selected in 2006. He flew aboard Soyuz TMA-08M on 28 March 2013 as his first space mission, and launched on Soyuz MS-06 as his second flight, in 2017. He was commander of the International Space Station for Expedition 54.
Aleksey Nikolayevich Ovchinin is a Russian Air Force Major and cosmonaut, who was selected in 2006. Ovchinin made his first spaceflight in 2016, and was assigned as Commander of Soyuz MS-10 in 2018.
Takuya Onishi is a Japanese astronaut who was selected for the Japan Aerospace Exploration Agency (JAXA) in 2009. He spent four months on board the International Space Station in 2016.
Jeremy Roger Hansen is a Canadian astronaut, fighter pilot, physicist and former aquanaut. He was selected to join the Canadian Space Agency in the 2009 CSA selection along with David Saint-Jacques. Prior to his selection as one of Canada's astronauts, Hansen was a Royal Canadian Air Force captain, piloting the CF-18 fighter jet at CFB Cold Lake, Alberta. He has since been promoted to the rank of colonel.
Andreas Enevold "Andy" Mogensen is a Danish engineer and ESA astronaut who is best known for being the first Dane to fly in space as part of the European Space Agency's Iriss program. Mogensen has also been involved in a number of other space-related projects throughout his career, including working as a test engineer for ESTEC and as a member of the European Astronaut Corps. In addition to his work with ESA, he has also worked with NASA and other international space agencies. Mogensen returned to space in August 2023 for his second spaceflight to the ISS onboard SpaceX Crew Dragon as the first non-American to serve as a pilot.
Colonel Luca Parmitano is an Italian astronaut in the European Astronaut Corps for the European Space Agency (ESA). He was selected as an ESA astronaut in May 2009. Parmitano is also a Colonel and test pilot for the Italian Air Force. He is the first Italian to command the International Space Station (ISS) during Expedition 61.
Alexander Gerst is a German European Space Agency astronaut and geophysicist, who was selected in 2009 to take part in space training. He was part of the International Space Station Expedition 40 and 41 from May to November 2014. Gerst returned to space on 6 June 2018, as part of Expedition 56/57. He was the Commander of the International Space Station. He returned to Earth on 20 December 2018. After the end of his second mission and before being surpassed by Luca Parmitano in 2020, he held the record for most time in space of any active ESA astronaut, succeeding Italian astronaut Paolo Nespoli, and German ESA astronaut Thomas Reiter, who formally held the record for the longest time in space for any active or retired ESA astronaut.
Jeanette Jo Epps is an American aerospace engineer and NASA astronaut. Epps received both her M. S. and Ph.D. degrees in aerospace engineering from the University of Maryland, where she was part of the rotor-craft research group and was a NASA GSRP Fellow. She was chosen for the 20th class of NASA astronauts in 2009, graduating in 2011. Epps currently serves as a member of the ISS Operations Branch and has completed analog astronaut missions, including NEEMO 18 and CAVES 19. She is the second woman and first African-American woman to have participated in CAVES. She is currently in space for a long duration mission on the ISS, after launch in 4 March 2024, as part of the SpaceX Crew-8 crew.
Jack David Fischer is an American engineer, test pilot and a former NASA astronaut. Fischer was selected in June 2009 as a member of the NASA Astronaut Group 20 and qualified as an astronaut in 2011. He made his first spaceflight in April 2017, as a flight engineer for Expedition 51/52 on the International Space Station.
The Canadian Astronaut Corps is a unit of the Canadian Space Agency (CSA) that selects, trains, and provides astronauts as crew members for U.S. and Russian space missions. The corps has four active members, able to serve on the International Space Station (ISS).
CAVES, an acronym for Cooperative Adventure for Valuing and Exercising human behaviour and performance Skills, is a European Space Agency astronaut training course in which international astronauts train in a space-analogue cave environment. Designed at the European Astronaut Center, the course aims to prepare astronauts for safe and efficient long duration spaceflight operations by means of a realistic scientific and exploration mission within a multicultural, ISS-representative team.
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.
Jennifer Anne "Jenni" MacKinnon Sidey is a Canadian astronaut, engineer, and academic. She was selected by the Canadian Space Agency (CSA) as one of the two members of the 2017 CSA Group alongside Joshua Kutryk. In 2023, CSA assigned her to be Jeremy Hansen's backup for the Artemis II lunar flyby mission. As of the 2023 CSA Artemis announcement, she goes by her married name, Jenni Gibbons.
Sergey Vladimirovich Kud-Sverchkov is a Russian cosmonaut, selected in 2010 by Roscosmos. He made his first spaceflight in 2020 aboard the International Space Station as a flight engineer for ISS Expedition 63/64.
Nikolay Aleksandrovich Chub is a cosmonaut selected by the Roscosmos space agency in 2012.
