Engineering:Soyuz MS-25
| Names | ISS 71S |
|---|---|
| Mission type | Crewed mission to ISS |
| Operator | Roscosmos |
| Website | en |
| Mission duration | 195 days (planned) |
| Spacecraft properties | |
| Spacecraft type | Soyuz MS |
| Manufacturer | RSC Energia |
| Crew | |
| Crew size | 3 |
| Members | Tracy Caldwell-Dyson |
| Launching |
|
| Landing |
|
| Start of mission | |
| Launch date | 21 March 2024 (planned) |
| Rocket | Soyuz-2.1a |
| Launch site | Baikonur Cosmodrome, Site 31 |
| Contractor | Progress Rocket Space Centre |
| End of mission | |
| Landing date | 24 September 2024 (planned) |
| Landing site | Kazakh Steppe, Kazakhstan |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Low Earth orbit |
| Inclination | 51.66° |
| Docking with ISS | |
| Docking port | Prichal Nadir |
 (L-R) Novitsky, Vasilevskaya, Dyson | |
Soyuz MS-25 is a planned Russian crewed Soyuz spaceflight to launch from Baikonur on 21 March 2024 to the International Space Station.[1][2]
Crew
American astronaut Tracy Caldwell-Dyson replaced Alexander Grebenkin as a part of the Soyuz-Dragon crew swap system of having at least American and Russian crew member on ISS. This allows continuous space station occupation by US and Russia and keep backup crew scenarios to prevent vehicle either vehicle grounding like Soyuz MS-10 launch failure or to compensate for delays in launch of crew rotation missions of either vehicles like SpaceX Crew-3 that was delayed due to unfavorable launch weather conditions.[3]
This the first non-Russian flight of two women astronauts/cosmonauts, Tracy Caldwell-Dyson from US and Marina Vasilevskaya from Belarus , on a Soyuz mission. Notably, the spacecraft commander is Chervyen, Minsk Voblast, Byelorussian SSR, USSR (now Belarus ) born retired Russian cosmonaut Oleg Novitsky.
Primary Crew
| Position | Launching Crew member | Landing Crew member |
|---|---|---|
| Commander |  Oleg Novitsky, RoscosmosVisiting Fourth spaceflight |
Oleg Kononenko, Roscosmos Expedition 69/70/71 Fifth spaceflight |
| Flight Engineer/ Spaceflight Participant | Template:Country data BLS Marina Vasilevskaya[4], Belarus Space Agency Visiting First spaceflight |
Nikolai Chub, Roscosmos Expedition 69/70/71 First spaceflight |
| Flight Engineer |  Tracy Caldwell-Dyson, NASAExpedition 70/71 Third spaceflight | |
Backup crew
| Position | Crew member | |
|---|---|---|
| Commander | Ivan Vagner, Roscosmos
| |
| Spaceflight participant | Template:Country data BLS Anastasia Lenkova, Belarus Space Agency | |
| Flight Engineer | Donald Pettit, NASA
| |
Flight
Dyson will launch on the Soyuz MS-25 spacecraft and spend approximately six months aboard the International Space Station. She will travel to the station with Roscosmos cosmonaut Oleg Novitsky and spaceflight participant Marina Vasilevskaya of Belarus , both of whom will spend approximately 12 days aboard the orbital complex as a part of 21st ISS visiting expedition.[5]
Undocking and Return
After completing her expedition, Dyson will return to Earth on September 24, 2024 with Roscosmos cosmonauts Oleg Kononenko and Nikolai Chub on the Soyuz MS-25 spacecraft. Kononenko and Chub are there on ISS since September 2023 with NASA astronaut Loral O’Hara on the Soyuz MS-24 spacecraft. Kononenko and Chub will remain aboard the orbital laboratory for about one year. If the mission lasts 300–365 days, Kononenko will have spent a total of 1,036–1,101 days in space, exceeding the current record of 878 days by Gennady Padalka. He will thus also become the first person to stay 1,000 days in space. O’Hara, who will spend six months aboard the space station, will return with Novitsky and Vasilevskaya on the Soyuz MS-24 spacecraft.[5][6]
References
This article incorporates public domain material from the National Aeronautics and Space Administration document "NASA Astronaut Tracy C. Dyson Receives Third Space Station Assignment".
- ↑ "Космодром Байконур". https://kosmodrom.space/raspisanie-zapuskov.
- ↑ "Next year’s Russian manned missions to ISS due in March, September". https://tass.com/science/1699977?utm_source=forum.nasaspaceflight.com&utm_medium=referral&utm_campaign=forum.nasaspaceflight.com&utm_referrer=forum.nasaspaceflight.com.
- ↑ "Rogozin says Crew Dragon safe for Russian cosmonauts". SpaceNews. 2021-10-26. https://spacenews.com/rogozin-says-crew-dragon-safe-for-russian-cosmonauts/.
- ↑ "Belarusian female astronaut to go ISS in March 2024 — Roscosmos". https://tass.com/science/1624689.
- ↑ 5.0 5.1 O’Shea, Claire (2023-09-15). "NASA Astronaut Tracy C. Dyson Receives Third Space Station Assignment". http://www.nasa.gov/press-release/nasa-astronaut-tracy-c-dyson-receives-third-space-station-assignment.
- ↑ "Better Late Than Never: New ISS Crew Prepares to Fly, All-Female EVAs Possible in October – AmericaSpace" (in en-US). 2023-09-10. https://www.americaspace.com/2023/09/10/better-late-than-never-new-iss-crew-prepares-to-fly-all-female-evas-possible-in-october/.
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