Expedition 55

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Began Feb. 27, 2018; transitioned to Expedition 56 on June 3, 2018

First Part

Transferred from Expedition 54

Anton Shkaplerov, Roscosmos
     Commander
Scott Tingle, NASA
     Flight Engineer
Norishige Kanai, JAXA
     Flight Engineer

Launched: Dec. 17, 2017, aboard Soyuz MS-07
Landed: June 3, 2018

Second Part

Docked Feb. 27, 2018

Drew Feustel, NASA
     Flight Engineer
Ricky Arnold, NASA
     Flight Engineer
Oleg Artemyev, Roscosmos
     Flight Engineer

Launched: March 21, 2018, aboard Soyuz MS-08
Expected landing: Oct. 4, 2018


— Statistics —

Max. crew size: 6
Started: Feb. 27, 2018
Ended: June 3, 2018
Duration: 96 days
Orbits of Earth: ~1,500

Launch site: Baikonur Cosmodrome, Kazakhstan
Spacecraft: Soyuz-MS-07, Soyuz MS-08

Experiments conducted: ~110
Spacewalks: 2
Total spacewalk time: 12 hours, 41 minutes
Visiting vehicle arrivals: 2
Visiting vehicle departures: 1

 The six-person Expedition 55 crew pose for a portrait inside the Japanese Kibo laboratory. ISS Commander Anton Shkaplerov is in the center. From left to right around him are Norishige Kanai, Ricky Arnold, Drew Feustel, Oleg Artemyev and Scott Tingle. Credit: NASA

The six-person Expedition 55 crew pose for a portrait inside the Japanese Kibo laboratory. ISS Commander Anton Shkaplerov is in the center. From left to right around him are Norishige Kanai, Ricky Arnold, Drew Feustel, Oleg Artemyev and Scott Tingle. Credit: NASA


— Mission Summary —

Expedition 55's six-person crew — NASA astronauts Scott Tingle, Drew Feustel and Ricky Arnold; Russian cosmonauts Anton Shkaplerov and Oleg Artemyev; and Japan Aerospace Exploration Agency astronaut Norishige Kanai — was tasked with performing experiments studying Earth’s atmosphere and the effect of microgravity on bone marrow in addition to materials sciences and biological sciences. The increment also saw several visiting vehicle arrivals and performed two spacewalks.


— Major Events —

Soyuz MS-06 departs, Expedition 55 begins

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Soyuz MS-08 arrival

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US EVA-49

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CRS-14 Dragon

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US EVA-50

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OA-9 Cygnus arrival

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Soyuz MS-07 departs, Expedition 55 ends

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— News —

Derek Richardson

I am a space geek who loves to write about space.

My passion for space ignited when I watched space shuttle Discovery leap to space on October 29, 1998. Today, this fervor has accelerated toward orbit and shows no signs of slowing down. After dabbling in math and engineering courses in college, I soon realized that my true calling was communicating to others about space exploration and spreading that passion.

Currently, I am a senior at Washburn University studying Mass Media with an emphasis in contemporary journalism. In addition to running Orbital Velocity, I write for the Washburn Review and am the Managing Editor for SpaceFlight Insider.