Soyuz MS-09

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Soyuz MS-09
Operator Roskosmos
Spacecraft properties
Spacecraft type Soyuz-MS 11F747
Manufacturer RKK Energia
Crew size 3
Members Sergey Prokopyev
Alexander Gerst
Serena M. Auñón-Chancellor
Callsign Altai
Start of mission
Launch date 6 June 2018 11:12:41 UTC[1]
Rocket Soyuz-FG
Launch site Baikonur Pad 1/5
Orbital parameters
Reference system Geocentric
Regime Low Earth
Docking with ISS
Docking port Rassvet nadir
Docking date 8 June 2018 13:01 UTC


Soyuz MS-09 crew during Routine Ops training at JSC.jpg
(l-r) Prokopyev, Gerst and Auñón-Chancellor
Soyuz programme
(Manned missions)

Soyuz MS-09 is a Soyuz spaceflight which launched on June 6, 2018.[1] It transported three members of the Expedition 56 crew to the International Space Station. MS-09 is the 138th flight of a Soyuz spacecraft. The crew consists of a Russian commander, and an American and a German flight engineer.


Position Crew member
Commander Russia Sergey Prokopyev, RSA
Expedition 56
First spaceflight
Flight Engineer 1 Germany Alexander Gerst, ESA
Expedition 56
Second spaceflight
Flight Engineer 2 United States Serena M. Auñón-Chancellor, NASA
Expedition 56
First spaceflight

Backup crew[edit]

Position[2] Crew member
Commander Russia Oleg Kononenko, RSA
Flight Engineer 1 Canada David Saint-Jacques, CSA
Flight Engineer 2 United States Anne C. McClain, NASA