Expedition 57

Expedition 57 was the 57th expedition to the International Space Station, which began on October 4, 2018, upon the departure of Soyuz MS-08.

ISS Expedition 57
Mission typeISS Expedition
Mission duration76d 17h 43m
Space StationInternational Space Station
Began4 October, 2018 UTC
Ended20 December, 2018 UTC
Arrived aboardSoyuz MS-09
Soyuz MS-10 (failed)
Soyuz MS-11
Departed aboardSoyuz MS-09
Soyuz MS-11
Crew size3 (first part)
6 (second part)
MembersAlexander Gerst
Serena M. Auñón-Chancellor
Sergey Prokopyev
EVA duration7 hours 45 minutes

(l-r) Serena Auñón-Chancellor of NASA, Commander Alexander Gerst from the European Space Agency and Sergei Prokopev of Roscosmos.


Soyuz MS-09 crew, Alexander Gerst, Serena M. Auñón-Chancellor, and Sergey Prokopyev, since June 2018 aboard the ISS, were expected to be joined by Aleksey Ovchinin and Nick Hague in October 2018.[1] The latter two crew members boarded Soyuz MS-10 on October 11, 2018, but the launch was aborted mid-flight due to a booster failure; the crew landed safely after a ballistic descent.[2][3]

The impact of the Soyuz MS-10 failure and subsequent investigation on the ISS crew schedule was not initially clear.[4] The Expedition 57 initial crew needed to depart by mid-December 2018 in Soyuz MS-09 due to the limited on-orbit lifespan of "about 200 days" of the Soyuz capsule, or no later than early January 2019 allowing for a small margin on the lifespan. NASA would have attempted to avoid de-crewing the ISS, commanding the station from the ground is feasible if necessary.[5]

On 23 October 2018, NASA Administrator Jim Bridenstine announced that Soyuz flights to the ISS were expected to resume in December 2018.[6] The Soyuz MS-11 spacecraft commanded by cosmonaut Oleg Kononenko, carrying him and two flight engineers, Anne McClain and David Saint-Jacques, was launched on December 3, 2018, marking the 100th orbital launch of the year;[7] the Expedition 57 initial crew departed on December 20 and Expedition 58 started as a three-person increment.[8][9]


Position (First part)
October 4 – December 3, 2018
(Second part)
December 3 – December 20, 2018
Commander Alexander Gerst, ESA
Second spaceflight[10]
Flight Engineer 1 Serena M. Auñón-Chancellor, NASA
First spaceflight[11]
Flight Engineer 2 Sergey Prokopyev, RSA
First spaceflight
Flight Engineer 3   Oleg Kononenko, RSA
Fourth spaceflight
Flight Engineer 4   Anne McClain, NASA
First spaceflight
Flight Engineer 5   David Saint-Jacques, CSA
First spaceflight

Originally NASA Astronaut Jeanette Epps was assigned as flight engineer for Expeditions 56 and 57, becoming the first African American space station crew member[12] and the 15th African American to fly in space, but on January 16, 2018, NASA announced that Epps had been replaced by her backup Serena M. Auñón-Chancellor.[13]

Cosmonaut Nikolai Tikhonov was slated to make his first spaceflight on the Soyuz MS-10 spacecraft, but was removed from the crew due to delays in launching the Russian Nauka module. This is the second time that Tikhonov has been removed from an ISS crew for such reason.[14][15]


EVA # Spacewalkers Start (UTC) End (UTC) Duration
Expedition 57
EVA 1*
Oleg Kononenko

Sergey Prokopyev

December 11, 2018


December 11, 2018
7 hours 45 minutes
The cosmonauts went outside to install a plug and thermal insulation on the Soyuz MS-09 spacecraft which was damaged by a powertool causing an air leak. The cosmonauts gave Soyuz MS-09 a clean bill of health before they patched it up clearing the vessel for entry on December 20, 2018. Get ahead task included swapping experiments on the Rassvet module. [16]

*denotes spacewalks performed from the Pirs docking compartment in Russian Orlan suits.

Uncrewed spaceflights to the ISS

Resupply missions that visited the International Space Station during Expedition 57:

- ISS flight number
Country Mission Launcher Launch
Duration (Docked) Deorbit
Progress MS-10
- ISS 71P
 Russia Logistics Soyuz-FG 16 Nov 2018, 18:14:08 18 Nov 2018, 19:28 4 Jun 2019, 08:40 197d 13h 12m 4 Jun 2019, 08:40
Cygnus NG-10
- CRS NG-10E
 United States Logistics Antares 230 17 Nov 2018, 09:01:31 19 Nov 2018, 12:31 8 Feb 2019, 16:16 81d 3h 45m Feb. 25, 2019, 09:05
SpaceX CRS-16
- CRS SpX-16
 United States Logistics Falcon 9 Block 5 5 Dec 2018, 18:16 8 Dec 2018, 15:36 13 Jan 2019, 23:33 36d 7h 57m 14 Jan 2019


  1. "Future Expeditions". NASA. May 9, 2018. Retrieved June 5, 2018.
  2. Dent, Steve (October 11, 2018). "Soyuz astronauts safe after failure forced an emergency landing". Engadget. Retrieved October 11, 2018.
  3. "Family, world watches as rocket carrying Kansas astronaut fails". The Wichita Eagle. October 11, 2018. Archived from the original on October 12, 2018.
  4. Berger, Eric (October 11, 2018). "A Soyuz crew makes an emergency landing after rocket fails". Ars Technica. Retrieved October 11, 2018.
  5. Foust, Jeff (October 11, 2018). "NASA to look at options to keep crew on ISS while Soyuz grounded". SpaceNews.
  6. "NASA administrator says Russians on track for December Soyuz flight to station". Spaceflight Now. Retrieved October 25, 2018.
  7. Gebhardt, Chris. "100th orbital launch of 2018: International trio set for launch to Space Station – NASASpaceFlight.com". NASASpaceflight.com. Retrieved December 3, 2018.
  8. "Upcoming ISS Expeditions". Spacefacts. Retrieved November 2, 2018.
  9. "Future Expeditions". NASA. 2018. Retrieved November 2, 2018.
  10. "Alexander Gerst". ESA. February 9, 2018. Retrieved March 12, 2018.
  11. "Serena M. Auñón-Chancellor (M.D.) NASA Astronaut". NASA. August 3, 2017. Retrieved March 12, 2018.
  12. Karen Northon (January 4, 2017). "NASA Assigns Upcoming Space Station Crew Members". NASA press release 17-001. Retrieved January 21, 2017.
  13. Karen Northon (January 18, 2018). "NASA Announces Updated Crew Assignments for Space Station Missions". NASA press release 18-004. Retrieved January 21, 2017.
  14. Ben Evans (May 30, 2018). "No U.S. Crew Will Command The International Space Station in 2019". AmericaSpace. Retrieved August 18, 2018.
  15. Ben Evans (October 30, 2016). "As Soyuz MS-01 Lands, International Partners Look Ahead to Reduced Crewing in 2017". AmericaSpace. Retrieved August 18, 2018.
  16. https://blogs.nasa.gov/spacestation/2018/12/11/russian-spacewalkers-complete-crew-vehicle-inspection/
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