Expedition 55

Expedition 55 was the 55th expedition to the International Space Station, which began upon the departure of Soyuz MS-06 on February 27, 2018. Anton Shkaplerov, Scott D. Tingle and Norishige Kanai were transferred from Expedition 54, with Anton Shkaplerov taking the commander role. Expedition 55 ended upon the departure of Soyuz MS-07 in June 2018.

ISS Expedition 55
Mission typeISS Expedition
Mission duration95d 10h 8m
Space StationInternational Space Station
Began27 February 2018 UTC[1]
Ended3 June 2018 UTC
Arrived aboardSoyuz MS-07
Soyuz MS-08
Departed aboardSoyuz MS-07
Soyuz MS-08
Crew size6
MembersAnton Shkaplerov
Scott D. Tingle
Norishige Kanai
Andrew Feustel
Oleg Artemyev
Richard R. Arnold[2]

(l-r) Tingle, Arnold, Shkaplerov, Feustel, Artemyev and Kanai


Position First part

(February 2018 – March 2018)

Second part

(March 2018 – 1 June 2018)

Commander Anton Shkaplerov, RSA
Third spaceflight
Flight Engineer 1 Scott D. Tingle, NASA
First spaceflight
Flight Engineer 2 Norishige Kanai, JAXA
First spaceflight
Flight Engineer 3 Andrew Feustel, NASA
Third Spaceflight
Flight Engineer 4 Oleg Artemyev, RSA
Second Spaceflight
Flight Engineer 5 Richard R. Arnold, NASA
Second Spaceflight



EVA # Spacewalkers Start (UTC) End (UTC) Duration
Expedition 55
Andrew J. Feustel

Richard R. Arnold

March 29, 2018


March 29, 2018


6 hours 10 minutes
Installed two WiFi antennas on the Node 3 module in preparation for the arrival of ECOSTRESS on SpaceX CRS-15, removed ammonia jumpers and inspected two working jumpers on the stations truss, replaced camera and lights used to film NASA TV
Expedition 55
Andrew J. Feustel

Richard R. Arnold

May 16, 2018


May 16, 2018


6 hours 31 minutes
Transferred a Pump Flow Control Subassembly over to Dextre stowed failed PFCS on ESP-1, Replaced camera and lights used to film NASA TV, Replaced Space to Ground Transceiver Controller, Performed get aheads to Install handrails on Radiator Grapple Bars on S1, Removed thermal blankets and MLI from two Direct Current Switching Units on ESP-2, Prepped the Flex Hose Rotary Coupler on S1 for replacement. Spacewalk suffered a 7-minute delay because of a water leak which formed ice crystals inside the airlock.

Uncrewed spaceflights to the ISS

Resupply missions that visited the International Space Station during Expedition 55:

- ISS flight number
Country Mission Launcher Launch
Duration (Docked) Deorbit
SpaceX CRS-14
- CRS SpX-14
 USA Logistics Falcon 9 2 Apr 2018, 20:30:38 4 Apr 2018, 13:00 5 May 2018 13:23 31d 23m 5 May 2018
Cygnus CRS OA-9E
 United States Logistics Antares 230 21 May 2018, 08:44:06 24 May 2018, 12:13 15 July 2018, 10:20 51d 22h 7m 30 July 2018


  1. Garcia, Mark. "Expedition 54 Trio Undocks from Station, Begins Ride Home". NASA. Retrieved 1 March 2018.
  2. "NASA Announces Upcoming International Space Station Crew Assignments". NASA. 28 March 2017. Retrieved 31 October 2017.
  3. Garcia, Mark (2015-05-26). "Future Expeditions". NASA. Retrieved 2017-10-31.

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