Expedition 74
| Mission type | Long-duration expedition |
|---|---|
| Operator | NASA / Roscosmos |
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| Mission duration | 156 days, 1 hour and 33 minutes (in progress) |
| Expedition | |
| Space station | International Space Station |
| Began | 9 December 2025 |
| Ended | 26 July 2026 (planned) |
| Arrived aboard | |
| Departed aboard | |
| Crew | |
| Crew size | 7–11 |
| Members | |
| File:ISS Expedition 74 Patch.png Expedition 74 mission insignia File:The Expedition 74 crew poses for a group photo after a training session (jsc2024e074729).jpg Expedition 74 crew at NASA's Johnson Space Center, from left to right: Yui, Cardman, Platonov, Fincke, Mikayev, Williams, and Kud-Sverchkov | |
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Expedition 74 is the 74th long-duration expedition to the International Space Station (ISS). The expedition began with the departure of Soyuz MS-27 on 9 December 2025 with NASA astronaut Michael Fincke taking over the ISS command and is expected to conclude with the undocking of Soyuz MS-28 on 26 July 2026. It continues the extensive scientific research conducted aboard the ISS, focusing on various fields, including biology, human physiology, physics, and materials science. The crew members also maintain and upgrade the space station systems.
Background, Crew, and Events
[edit | edit source]The expedition commenced with a crew consisting of NASA astronauts Zena Cardman, Michael Fincke, and Christopher Williams, JAXA astronaut Kimiya Yui, and Roscosmos cosmonauts Oleg Platonov, Sergey Kud-Sverchkov, and Sergey Mikayev.[1]
Events manifest
[edit | edit source]Events involving crewed spacecraft are listed in bold.
Previous mission: Expedition 73
9 December 2025 – Soyuz MS-27 undocking, official switch from Expedition 73[2]
December 2025 - CRS SpX-33 undocking
16 February 2026 – SpaceX Crew-12 docking
March 2026 – SpaceX Crew-11 undocking
14 July 2026 – Soyuz MS-29 docking
26 July 2026 – Soyuz MS-28 undocking, official switch to Expedition 75
Next mission: Expedition 75
Crew
[edit | edit source]| Flight | Astronaut | Increment 74a | Increment 74b | Increment 74c | Increment 74d |
|---|---|---|---|---|---|
| 9 Dec 2025–present | 16 Feb–Mar 2026 | Mar–14 July 2026 | 14–26 July 2026 | ||
| Soyuz MS-28 | Russia Sergey Kud-Sverchkov, Roscosmos Second spaceflight |
Flight engineer | |||
| Russia Sergey Mikayev, Roscosmos First spaceflight |
Flight engineer | ||||
| United States Christopher Williams, NASA First spaceflight |
Flight engineer | ||||
| SpaceX Crew-11 | United States Zena Cardman, NASA First spaceflight |
Flight engineer | Off station | ||
| United States Michael Fincke, NASA Fourth spaceflight |
Commander | Off station | |||
| Japan Kimiya Yui, JAXA Second spaceflight |
Flight engineer | Off station | |||
| Russia Oleg Platonov, Roscosmos First spaceflight |
Flight engineer | Off station | |||
| SpaceX Crew-12 | United States Jessica Meir, NASA Second spaceflight |
Off station | Flight engineer | ||
| United States Jack Hathaway, NASA First spaceflight |
Off station | Flight engineer | |||
| France Sophie Adenot, ESA First spaceflight |
Off station | Flight engineer | |||
| Russia Andrey Fedyaev, Roscosmos Second spaceflight |
Off station | Flight engineer | |||
| Soyuz MS-29 | Russia Pyotr Dubrov, Roscosmos Second spaceflight |
Off station | Flight Engineer | ||
| Russia Anna Kikina, Roscosmos Second spaceflight |
Off station | Flight Engineer | |||
| United States Anil Menon, NASA First spaceflight |
Off station | Flight Engineer | |||
Vehicle manifest
[edit | edit source]| Vehicle | Purpose | Port | Docking date | Undocking date |
|---|---|---|---|---|
| Vehicles inherited from Expedition 73 | ||||
| Russia Progress MS-31 | Cargo | Poisk zenith | 5 Jul 2025 | Dec 2025 |
| United States SpaceX Crew-11 "Endeavour" | Exp. 73/74 crew | Harmony zenith | 2 Aug 2025 | March 2026 |
| United States CRS SpX-33 | Cargo | Harmony forward | 25 Aug 2025 | Dec 2025 |
| Russia Progress MS-32 | Cargo | Zvezda aft | 13 Sep 2025 | Feb 2026 |
| United States CRS NG-23 | Cargo | Unity nadir | 18 Sep 2025 | March 2026 |
| Japan HTV-X1 | Cargo | Harmony nadir | 29 Oct 2025 | Jan 2026 |
| Russia Soyuz MS-28 "Gyrfalcon" | Exp. 74 crew | Rassvet nadir | 27 Nov 2025 | 26 Jul 2026 |
| Segment | United States US Orbital Segment | Russia Russian Orbital Segment | ||||||
|---|---|---|---|---|---|---|---|---|
| Period | Harmony forward | Harmony zenith | Harmony nadir | Unity nadir | Rassvet nadir | Prichal nadir | Poisk zenith | Zvezda aft |
| 9 Dec 2025-present | CRS SpX-33 | SpaceX Crew-11 | HTV-X1 | CRS NG‑23 | Soyuz MS-28 | Vacant | Progress MS-31 | Progress MS-32 |
The Prichal aft, forward, starboard, and aft ports all have yet to be used since the module originally docked to the station and are not included in the table.
