Expedition 70
Mission typeLong-duration mission to ISS
OperatorNASA / Roscosmos
Mission duration112 days, 15 hours and 9 minutes (ongoing)
Expedition
Space stationInternational Space Station
Began27 September 2023[1][2]
Arrived aboardSoyuz MS-24
SpaceX Crew-7
Crew
Crew size7–11
Members
EVAs2
EVA duration14 hours 23 minutes

Expedition 70 mission patch

Expedition 70 crew portrait
 

Expedition 70 is the 70th long-duration expedition to the International Space Station. The expedition began with the departure of Soyuz MS-23 on 27 September 2023,[3][4][2] with Danish astronaut Andreas Mogensen taking over the ISS command from Expedition 69 cosmonaut Sergey Prokopyev. It will end with the departure of Soyuz MS-24, carrying NASA astronaut Loral O'Hara and a visiting non-mission crew in March 2024.[5]

Background, crew and events

Initially, the expedition consisted of Andreas and his three SpaceX Crew-7 crewmates, Jasmin Moghbeli, Satoshi Furukawa, and Konstantin Borisov from America, Japan, and Russia respectively, as well as Russian cosmonauts Oleg Kononenko and Nikolai Chub (both on a year long ISS mission) and another American astronaut Loral O'Hara, who launched aboard Soyuz MS-24 on September 15, 2023, and were transferred from Expedition 69 alongside the SpaceX Crew-7 astronauts.[6]

The crew will later be replenished by subsequent missions in the expedition alongside non-expedition crews.[5]

However, even after several months of outfitting EVAs and RTOd heat radiator installation, six months later on 9 October 2023, the Nauka RTOd radiator malfunctioned before active use of Nauka (the purpose of RTOd installation is to radiate heat from Nauka experiments). The malfunction, a leak, rendered the RTOd radiator unusable for Nauka. This is the third ISS radiator leak after Soyuz MS-22 and Progress MS-21 radiator leaks. If a spare RTOd is not available, Nauka experiments will have to rely on Nauka's main launch radiator and the module could never be utilized to its full capacity.[7][8]

Originally, the Boeing Starliner Crewed Flight Test was to dock sometime during the expedition, but was again moved farther down the vehicle schedule to April, where it will instead be a part of Expedition 71.[9]

Events manifest

Previous mission: Expedition 69

27 September 2023 – Soyuz MS-23 Undocking, official switch from Expedition 69

9 October 2023 - Nauka outfitting RtoD Add-on Heat Radiator Leak Event

25/26 October 2023 – EVA 1 (VKD-61) Kononenko/Chub: 7 hrs, 41 min[10]

1 November 2023 – EVA 2 (US-89) Moghbeli/O'Hara: 6 hrs, 42 mins[11]

11 November 2023 – CRS SpX-29 Docking

29 November 2023 – Progress MS-23/84P Undocking

3 December 2023 – Progress MS-25/86P Docking

21 December 2023 – CRS SpX-29 Undocking

22 December 2023 – CRS Cygnus NG-19 Unberthing & Release

Planned Events:

18 January 2024 – Axiom Mission 3 Docking (Non-Expedition crew)

29 January 2024 – CRS Cygnus NG-20 Capture & Berthing

31 January 2024 – Axiom Mission 3 Undocking (Non-Expedition crew)

February 2024 – HTV-X1 Docking[1]

February 2024 – SpaceX Crew-8 Docking[1]

13 February 2024 – SpaceX Crew-7 Undocking

13 February 2024 – Progress MS-24/85P Undocking

15 February 2024 – Progress MS-26/87P Docking[1]

13 March 2024 – Soyuz MS-25 Docking (Expedition 70/71 & Visiting Expedition 21)

25 March 2024 – Soyuz MS-24 Undocking, official switch to Expedition 71

Next: Expedition 71

Sources:[1][5][12]

Crew

Flight[5] Astronaut Increment 70a Increment 70b Increment 70c Increment 70d
27 Sept 2023 - Feb 2024 (current) TBD Feb - 13 Feb 2024 (planned) 13 Feb - 13 Mar 2024 (planned) 13 Mar - 25 Mar 2024 (planned)
Soyuz MS-24 Russia Oleg Kononenko, Roscosmos
Fifth spaceflight		 Flight Engineer Commander
Russia Nikolai Chub, Roscosmos
First spaceflight		 Flight Engineer
United States Loral O'Hara, NASA
First spaceflight		 Flight Engineer
SpaceX Crew-7 United States Jasmin Moghbeli, NASA
First spaceflight		 Flight Engineer Off Station
Denmark Andreas Mogensen, ESA
Second spaceflight		 Commander Off Station
Japan Satoshi Furukawa, JAXA
Second spaceflight		 Flight Engineer Off Station
Russia Konstantin Borisov, Roscosmos
First spaceflight		 Flight Engineer Off Station
SpaceX Crew-8 United States Matthew Dominick, NASA
First spaceflight		 Off Station Flight Engineer
United States Michael Barratt, NASA
Third spaceflight		 Off Station Flight Engineer
United StatesJeanette Epps, NASA
First spaceflight		 Off Station Flight Engineer
Russia Alexander Grebenkin, Roscosmos
First spaceflight		 Off Station Flight Engineer
Soyuz MS-25 United States Tracy Caldwell-Dyson, NASA
Third spaceflight		 Off Station Flight Engineer

In addition to the expedition crew, the station will be visited by a Crew Dragon carrying Axiom Mission 3, consisting of Michael López-Alegría of Axiom Space (formerly NASA), Walter Villadei of the Italian Ministry of Defence, Alper Gezeravcı of the Turkish Space Agency, and Marcus Wandt of the Swedish National Space Agency.[13]

The Soyuz MS-25 vehicle will carry expedition member Tracy Caldwell-Dyson and visitors Oleg Novitsky of Roscosmos and Marina Vasilevskaya, a flight attendant trained by the Belarus Space Agency for Visiting Expedition 21. Novitsky and Vasilevskaya will return with expedition member Loral O'Hara on the Soyuz MS-24 vehicle a week after docking, while Kononenko and Chub, originally launching on MS-24, will return on the MS-25 vehicle in September 2024.

Vehicle manifest

Vehicle[5] Purpose Port Docking/Capture Date Undocking Date
(if during Expedition 70)
Vehicles inherited from Expedition 69
Russia Progress MS-23/84P Russian Cargo Poisk Zenith 24 May 2023 29 Nov 2023
United States CRS Cygnus NG-19 "Laurel Clark" US Cargo Unity Nadir 4 Aug 2023 22 Dec 2023
Russia Progress MS-24/85P Russian Cargo Zvezda Aft 25 Aug 2023 13 Feb 2024 (scheduled)
United States SpaceX Crew-7 "Endurance" Exp. 69/70 USOS Crew Harmony Zenith 27 Aug 2023 13 Feb 2024 (scheduled)
Russia Soyuz MS-24/70S Exp. 69/70 Russian Crew Rassvet Nadir 15 Sep 2023 25 Mar 2024 (scheduled)
Vehicles docked during Expedition 70
United States CRS Dragon SpX-29 US Cargo Harmony Forward 11 Nov 2023 21 Dec 2023
Russia Progress MS-25/86P Russian Cargo Poisk Zenith 3 Dec 2023 Expected to transfer to Exp. 71
Vehicles scheduled to dock during Expedition 70
United States Axiom Mission 3 "Freedom" Non-Expedition US Commercial Mission Harmony Forward 17 Jan 2024 (scheduled) 31 Jan 2024 (scheduled)
United States CRS Cygnus NG-20 "Patricia "Patty" Hilliard Robertson" US Cargo Unity Nadir 29 Jan 2024 (scheduled) Expected to transfer to Exp. 71
Japan HTV-X1 Japanese Cargo Harmony Nadir Feb 2024 (scheduled) Expected to transfer to Exp. 71
United States SpaceX Crew-8 "Endeavour" Exp. 70/71 USOS Crew Harmony Forward Feb 2024 (scheduled) Expected to transfer to Exp. 71
Russia Progress MS-26/87P Russian Cargo Zvezda aft 15 Feb 2024 (scheduled) Expected to transfer to Exp. 71
Russia Soyuz MS-25/71S Exp. 70/71 Crew, Visiting Expedition Prichal nadir 13 Mar 2024 (scheduled) Expected to transfer to Exp. 71
Segment United States US Orbital Segment Russia Russian Segment
Port Harmony Forward Harmony Zenith Harmony Nadir Unity Nadir Rassvet Nadir Prichal Nadir Poisk Zenith Zvezda Aft
Status Scheduled Occupied Scheduled Scheduled Occupied Scheduled Occupied Occupied
Previous CRS SpX-29 CRS NG-19 Progress

MS-23/83P
Current SpaceX Crew-7 Soyuz MS-24/70S Progress MS-25/84P Progress

MS-24/83P

Future Axiom Mission-3 HTV-X1 CRS NG-20 Soyuz MS-25/71S Progress MS-26/87P
SpaceX Crew-8

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.

References

  1. 1 2 3 4 5 "Launch Schedule – Spaceflight Now". Retrieved 2023-02-23.
  2. 1 2 Graf, Author Abby (2023-09-27). "Crewed Soyuz Spacecraft Undocking Live on NASA TV". blogs.nasa.gov. Retrieved 2023-09-27. {{cite web}}: |first= has generic name (help)
  3. ↑ Josh Dinner (2023-08-23). "SpaceX Crew-7 astronauts will handle over 200 science experiments on ISS". Space.com. Retrieved 2023-09-12.
  4. ↑ "Better Late Than Never: New ISS Crew Prepares to Fly, All-Female EVAs Possible in October – AmericaSpace". www.americaspace.com. 2023-09-10. Retrieved 2023-09-12.
  5. 1 2 3 4 5 "Complete ISS flight events". NasaSpaceFlight.com Forum. 15 April 2023. Retrieved 10 November 2020.
  6. ↑ "Soyuz MS-24 preps continue days before launch".
  7. ↑ "Russian space station laboratory module appears to spring coolant leak – Spaceflight Now". Retrieved 2023-10-10.
  8. ↑ "Госкорпорация "Роскосмос"". Telegram. Retrieved 2023-10-10.
  9. ↑ Sturm, Karin (2023-11-20). "Stars aligning for Boeing crew launch in April". NASASpaceFlight.com. Retrieved 2023-12-23.
  10. ↑ Robert Z. Pearlman (2023-10-26). "Cosmonauts on ISS spacewalk encounter coolant 'blob' while inspecting leaky radiator". Space.com. Retrieved 2023-12-23.
  11. ↑ Robert Z. Pearlman (2023-11-01). "NASA astronauts complete 4th-ever all-female spacewalk outside International Space Station". Space.com. Retrieved 2023-12-23.
  12. ↑ "Microgravity Research Flights". Glenn Research Center. 10 November 2020. Retrieved 10 November 2020.
  13. ↑ published, Elizabeth Howell (2023-12-13). "SpaceX to launch 3rd private astronaut mission to the ISS for Axiom Space on Jan. 9". Space.com. Retrieved 2023-12-27.
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