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This is a chronological list of expeditions to the International Space Station (ISS). An expedition to the ISS refers to the crew that is occupying the space station and using it for research and testing. Expeditions can last up to six months and include between two and seven crew members.
Expeditions are numbered starting from one and sequentially increased with each expedition. Resupply mission crews and space tourists are excluded (see List of human spaceflights to the ISS for details). ISS commanders are listed in italics. "Duration" is the period of time between the crew's launch from Earth and until their decoupling from the ISS.
Future international collaboration on ISS activities has been thrown into doubt by the Russian invasion of Ukraine and related sanctions on Russia.[1]
| Exp. | Patch | Crew | Arrival (UTC) | Arrival Flight | Departure (UTC) | Departure Flight | Duration (days) |
|---|---|---|---|---|---|---|---|
| 72 |  |
 Matthew Dominick Michael Barratt Jeanette Epps Alexander Grebenkin |
Transferred from Expedition 71 | 23 October 2024 21:05 |
SpaceX Crew-8 | 235 | |
| Aleksey Ovchinin Ivan Vagner Donald Pettit |
March 2025 (planned) | Soyuz MS-26 | |||||
| Barry E. Wilmore Sunita Williams[note 9] |
February 2025 (planned) | SpaceX Crew-9 | |||||
| Nick Hague Aleksandr Gorbunov |
29 September 2024 21:30 |
SpaceX Crew-9 | |||||
Anne McClain Nichole Ayers Takuya Onishi Kirill Peskov |
February 2025 (planned) | SpaceX Crew-10 | Will be transferred to Expedition 73 | ||||
| Sergey Ryzhikov Alexey Zubritsky Jonny Kim |
March 2025 (planned) | Soyuz MS-27 | |||||
| Exp. | Patch | Crew | Arrival (UTC) | Arrival Flight | Departure (UTC) | Departure Flight | Duration (days) |
|---|---|---|---|---|---|---|---|
| 73 |  |
Anne McClain Nichole Ayers Takuya Onishi Kirill Peskov |
Will be transferred from Expedition 72 | Q3 2025 (planned) | SpaceX Crew-10 | ||
| Sergey Ryzhikov Alexey Zubritsky Jonny Kim |
November 2025 (planned) | Soyuz MS-27 | |||||
| Exp. | Crew | Arrival | Cancellation Reason | |
|---|---|---|---|---|
| Date | Flight | |||
| 0 | Gennady Padalka Nikolai Budarin |
2000 | Soyuz 7K-STM No. 205 | This expedition would have been triggered if the Zarya and Zvezda modules failed to dock. As it was successful, the expedition was not necessary and the spacecraft was passed to Soyuz TM-31.[45][46][47] |
- This duration measured the length of Soyuz TMA-18M from start to finish.
- Kelly and Korniyenko were to remain aboard the ISS for approximately one year. This duration measured the length of their cumulative stay in space from Expedition 43 through Expedition 46.
- Whitson remained onboard the ISS for three extra months. This duration was for the length of her cumulative stay in space from Expedition 50 through Expedition 52.
- Alongside the 3 other crew members, Megan McArthur used the same seat of the SpaceX Crew Dragon Endeavour in this mission, which her husband Bob Behnken used in SpaceX Demo-2 mission, the first mission of the Endeavour capsule.[39]
- The European portion of SpaceX Crew-2 is called Alpha and is headed by Thomas Pesquet.
- The European portion of SpaceX Crew-3 is called Cosmic Kiss and is headed by Matthias Maurer.
- The European portion of SpaceX Crew-4 is called Minerva and is headed by Samantha Cristoforetti.
- The European portion of SpaceX Crew-7 is called Huginn and is headed by Andreas Mogensen.
- Current ISS commander.
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