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Soyuz MS-28, Russian production No. 759 and identified by NASA as Soyuz 74S, is a planned Russian crewed Soyuz spaceflight to launch from Site 31/6 at the Baikonur Cosmodrome in September 2025 to the International Space Station.
| Names | ISS 74S |
|---|---|
| Mission type | ISS crew transport |
| Operator | Roscosmos |
| Website | en |
| Mission duration | 180 days (planned) |
| Spacecraft properties | |
| Spacecraft | Soyuz MS-28 No. 759 |
| Spacecraft type | Soyuz MS |
| Manufacturer | Energia |
| Crew | |
| Crew size | 3 |
| Members | |
| Start of mission | |
| Launch date | September 2025 (planned) |
| Rocket | Soyuz 2.1a |
| Launch site | Baikonur, Site 31/6 |
| Contractor | Progress |
| End of mission | |
| Landing date | March 2026 (planned) |
| Landing site | Kazakh Steppe, Kazakhstan |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Low Earth orbit |
| Inclination | 51.66° |
| Docking with ISS | |
| Docking port | Rassvet nadir |
| Docking date | September 2025 (planned) |
| Undocking date | March 2026 (planned) |
The mission is slated to be the first to launch after the termination of a NASA/Roscosmos barter agreement, where one Russian cosmonaut flies on a NASA spacecraft in exchange for one NASA astronaut flying on a Soyuz. Consequently, as of 2024[update], this mission is currently scheduled to transport three Russian cosmonauts. However, NASA and Roscosmos are negotiating to extend their seat exchange program beyond 2025.[1]
Crew
edit| Position[2] | Cosmonaut | |
|---|---|---|
| Commander | Sergey Kud-Sverchkov Expedition 73/74 Second spaceflight | |
| Flight Engineer | Sergey Mikajev Expedition 73/74 First spaceflight | |
| Flight Engineer | Oleg Platonov Expedition 73/74 First spaceflight | |
| Position[2] | Cosmonaut | |
|---|---|---|
| Commander | Pyotr Dubrov | |
| Flight Engineer | Sergey Korsakov | |
| Flight Engineer | Anna Kikina | |
References
edit- ^ NASA’s Management of Risks to Sustaining ISS Operations through 2030 (PDF) (Report). NASA Office of Inspector General. 26 September 2024. p. 14. Retrieved 2 October 2024.
- ^ a b "Центр подготовки космонавтов им. Ю.А.Гагарина. Официальный Web-сайт" [Crews in training]. Yuri Gagarin Cosmonaut Training Center (in Russian). Retrieved 2 October 2024.
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