Expedition 55

Expedition 55

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Mission type	Long-duration expedition
Mission duration	95d 10h 8m
Expedition
Space station	International Space Station
Began	27 February 2018 UTC[1]
Ended	3 June 2018 UTC
Arrived aboard	Soyuz MS-07 Soyuz MS-08
Departed aboard	Soyuz MS-07 Soyuz MS-08
Crew
Crew size	6
Members	Expedition 54/55: Anton Shkaplerov Scott D. Tingle Norishige Kanai Expedition 55/56: Andrew Feustel Oleg Artemyev Richard R. Arnold[2]
EVAs	2
Expedition 55 mission patch (l-r) Tingle, Arnold, Shkaplerov, Feustel, Artemyev and Kanai ISS expeditions ← Expedition 54 Expedition 56 →

Expedition 55 was the 55th expedition to the International Space Station, which began upon the departure of Soyuz MS-06 on 27 February 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.

Crew

Position[3]	First part (27 February – 23 March 2018)	Second part (23 March – 3 June 2018)
Commander	Anton Shkaplerov, RSA Third spaceflight
Flight engineer	Scott D. Tingle, NASA First spaceflight
Flight engineer	Norishige Kanai, JAXA First spaceflight
Flight engineer	Off station	Andrew Feustel, NASA Third and last spaceflight
Flight engineer	Off station	Oleg Artemyev, RSA Second spaceflight
Flight engineer	Off station	Richard R. Arnold, NASA Second and last spaceflight

Spacewalks

EVA #	Spacewalkers	Start (UTC)	End (UTC)	Duration
1	Andrew J. Feustel Richard R. Arnold	29 March 2018 13:33	29 March 2018 19:43	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.
2	Andrew J. Feustel Richard R. Arnold	16 May 2018 11:39	16 May 2018 18:10	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:

Flight	Country	Mission	Launcher	Launch (UTC)	Docked/Berthed (UTC)	Undocked/Unberthed (UTC)	Duration (Docked)	Deorbit
CRS SpX-14	United States	Logistics	Falcon 9	2 April 2018, 20:30:38	4 April 2018, 13:00	5 May 2018 13:23	31d 23m	5 May 2018
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

References

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 (26 May 2015). "Future Expeditions". NASA. Retrieved 31 October 2017.

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