The International Space Station (ISS) is a large space station that was assembled and is maintained in low Earth orbit by a collaboration of five space agencies and their contractors: NASA, Roscosmos (Russia), ESA (Europe), JAXA (Japan), and CSA (Canada). As the largest space station ever constructed, it primarily serves as a platform for conducting scientific experiments in microgravity and studying the space environment.
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.
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.
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, 44, 45, and 46.
Sunita Lyn "Suni" Williams is an American astronaut, retired U.S. Navy officer, and former record holder for most spacewalks by a woman (seven) and most spacewalk time for a woman. Williams was assigned to the International Space Station as a member of Expedition 14 and Expedition 15. In 2012, she served as a flight engineer on Expedition 32 and then commander of Expedition 33. In 2024, she returned to the ISS on the Boeing Crew Flight Test, the first crewed mission of the Boeing Starliner; her return to Earth has been delayed until February 2025. As such, from August 2024 until March 2025, Williams and fellow astronaut Butch Wilmore are pivoting ahead to undertake various scientific experiments and maintenance tasks aboard the International Space Station.
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.
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.
Nicole Marie Passonno Stott is an American engineer and a retired NASA astronaut. She served as a flight engineer on ISS Expedition 20 and Expedition 21 and was a mission specialist on STS-128 and STS-133. After 27 years of working at NASA, the space agency announced her retirement effective June 1, 2015. She is married to Christopher Stott, a Manx-born American space entrepreneur.
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 Barratt is an American physician and a NASA astronaut. Board certified in internal and 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 on the Expedition 19 and 20 crew. In March 2011, Barratt completed his second spaceflight as a crew member of STS-133. Barratt made a second long-duration mission to the International Space Station as a flight engineer on the Expedition 70, 71, and 72 crew and also served as the pilot on the SpaceX Crew-8 mission.
Expedition 26 was the 26th long-duration mission to the International Space Station. The expedition's first three crew members – one US astronaut and two Russian cosmonauts – arrived at the station on board Soyuz TMA-01M on 10 October 2010. Expedition 26 officially began the following month on 26 November, when half of the crew of the previous mission, Expedition 25, returned to Earth on board Soyuz TMA-19. The rest of the Expedition 26 crew – one US astronaut, one Russian cosmonaut and one ESA astronaut – joined the trio already on board when their spacecraft, Soyuz TMA-20, docked with the station on 17 December 2010.
Kimiya Yui is a Japanese astronaut from the Japan Aerospace Exploration Agency (JAXA). He was selected for the agency in 2009.
Expedition 28 was the 28th long-duration expedition to the International Space Station, and began on 23 May 2011 with the departure of the members of Expedition 27. The first three members of Expedition 28 arrived on the ISS aboard the Soyuz TMA-21 spacecraft on 4 April 2011, and were joined on 9 June 2011 by the three other crew members, who arrived aboard Soyuz TMA-02M. The expedition saw a number of significant events, including the final Space Shuttle mission, STS-135, which took place in July 2011. Expedition 28 was superseded by Expedition 29 on 16 September 2011.
Mark Thomas Vande Hei is a retired United States Army officer and current NASA astronaut who has served as a flight engineer for Expedition 53, 54, 64, 65, and 66 on the International Space Station.
Expedition 30 was the 30th long-duration mission to the International Space Station (ISS). The expedition's first three crew members – Dan Burbank, Anton Shkaplerov and Anatoli Ivanishin – arrived on the ISS aboard Soyuz TMA-22 on 16 November 2011, during the last phase of Expedition 29. Expedition 30 formally began on 21 November 2011, with the departure from the ISS of the Soyuz TMA-02M spacecraft. The expedition ended on 27 April 2012, as Burbank, Shkaplerov and Ivanishin departed from the ISS aboard Soyuz TMA-22, marking the beginning of Expedition 31.
Expedition 31 was the 31st long-duration expedition to the International Space Station (ISS). It began on 27 April 2012 with the departure from the ISS of the Soyuz TMA-22 spacecraft, which returned the Expedition 30 crew to Earth. The expedition ended on 1 July 2012, when crew members Oleg Kononenko, André Kuipers and Don Pettit departed from the ISS aboard Soyuz TMA-03M, marking the beginning of Expedition 32.
Soyuz TMA-05M was the 114th flight of a Soyuz spacecraft. It was launched on 15 July 2012, transporting three members of the Expedition 32 crew to the International Space Station (ISS). The Soyuz remained docked to the ISS throughout the mission to serve as an emergency escape vehicle. The launch also coincided with the 37th anniversary of the Apollo–Soyuz Test Project. Soyuz TMA-05M successfully returned to Earth on 19 November 2012.
Expedition 32 was the 32nd long-duration expedition to the International Space Station (ISS). It began on 1 July 2012 with the departure from the ISS of the Soyuz TMA-03M spacecraft, which returned the Expedition 31 crew to Earth, and concluded on 16 September 2012 with the departure of Soyuz TMA-04M. The Soyuz craft returned to Earth on 17 September 2012 at 6:53am Moscow Standard Time when touchdown was officially recorded by the Russian Federal Space Agency.
