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.

Expedition 55

Promotional Poster
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 →

Crew

Position	First part (February 27, 2018 – March 23, 2018)	Second part (March 23, 2018 – June 3, 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

^[3]

Spacewalks

EVA #	Spacewalkers	Start (UTC)	End (UTC)	Duration
Expedition 55 EVA 1	Andrew J. Feustel Richard R. Arnold	March 29, 2018 13:33	March 29, 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
Expedition 55 EVA 2	Andrew J. Feustel Richard R. Arnold	May 16, 2018 11:39	May 16, 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:

Spacecraft - ISS flight number	Country	Mission	Launcher	Launch (UTC)	Docked/Berthed (UTC) †	Undocked/Unberthed (UTC)	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 - 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