| Soyuz MS-08 spacecraft | |
| Operator | Roscosmos |
|---|---|
| COSPAR ID | 2018-026A |
| SATCAT no. | 43238 |
| Mission duration | 196d 18h 1m |
| Spacecraft properties | |
| Spacecraft type | Soyuz-MS 11F747 |
| Manufacturer | Energia |
| Launch mass | 7,220 |
| Crew | |
| Crew size | 3 |
| Members | Oleg Artemyev Andrew J. Feustel Richard R. Arnold [1] |
| Callsign | Hawaii |
| Start of mission | |
| Launch date | 21 March 2018, 17:44 UTC [2] |
| Rocket | Soyuz-FG |
| Launch site | Baikonur Pad 1/5 |
| Contractor | RKTs Progress |
| End of mission | |
| Landing date | 4 October 2018, 11:45 UTC |
| Landing site | Kazakhstan |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Docking with ISS | |
| Docking port | Poisk zenith |
| Docking date | 23 March 2018, 20:40 UTC [3] |
| Undocking date | 4 October 2018, 07:57 UTC |
| Time docked | 194d 11h 17m |
| Mission insignia (l-r) Arnold, Artemyev and Feustel | |
Soyuz MS-08 was a Soyuz spaceflight that launched on 21 March 2018. [3] It transported three members of the Expedition 55 crew to the International Space Station. [3] MS-08 was the 137th flight of a Soyuz spacecraft. The crew consisted of a Russian commander, and two American flight engineers.
MS-08 returned its crew to Earth on 4 October 2018. [4]
| Position [1] | Crew | |
|---|---|---|
| Commander | Oleg Artemyev, Roscosmos Expedition 55 Second spaceflight | |
| Flight engineer | Andrew J. Feustel, NASA Expedition 55 Third and last spaceflight | |
| Flight engineer | Richard R. Arnold, NASA Expedition 55 Second and last spaceflight | |
| Position [5] [6] | Crew | |
|---|---|---|
| Commander | Aleksey Ovchinin, Roscosmos | |
| Flight engineer | Nick Hague, NASA | |