Expedition 51
| Mission type | ISS Expedition |
|---|---|
| Expedition | |
| Space station | International Space Station |
| Began | 10 April 2017 UTC |
| Ended | 2 June 2017 UTC |
| Arrived aboard | Soyuz MS-03 Soyuz MS-04 |
| Departed aboard | Soyuz MS-03 Soyuz MS-04 |
| Crew | |
| Crew size | 5 |
| Members | Expedition 50/51: Oleg Novitskiy Peggy Whitson Thomas Pesquet Expedition 51/52: Fyodor Yurchikhin Jack Fischer |
| EVAs | 2 |
 (l-r) Fischer, Yurchikhin, Pesquet, Whitson, Novitskiy | |
Expedition 51 is the 51st and current expedition to the International Space Station, which began upon the departure of Soyuz MS-02 on April 10, 2017 and concluded upon the departure of Soyuz MS-03 on June 2, 2017. Peggy Whitson, Oleg Novitskiy and Thomas Pesquet were transferred from Expedition 50, with Peggy Whitson taking the commander role. She is the first woman to command two expeditions to the ISS, having previously commanded Expedition 16.[1]
Due to a decision to cut down the number of participating Russian cosmonauts in 2017, only two cosmonauts were launched on Soyuz MS-04 on April 20, 2017 - bringing the total crew number to five.[2] Transfer of Command from Expedition 51 to Expedition 52 was done on June 1st, 2017. Expedition 51 officially ended on June 2, 2017 10:47 UTC, with the undocking of Soyuz MS-03 [3]
Crew
| Position | First Part (April 2017) |
Second Part (April 2017 to June 2017) |
|---|---|---|
| Commander |  Peggy Whitson, NASAThird spaceflight[4] | |
| Flight Engineer 1 |  Oleg Novitskiy, RSASecond spaceflight | |
| Flight Engineer 2 |  Thomas Pesquet, ESAFirst spaceflight | |
| Flight Engineer 3 | Fyodor Yurchikhin, RSA Fifth spaceflight | |
| Flight Engineer 4 | Jack Fischer, NASA First spaceflight | |
References
- ^ Chiara Palazzo Associated Press. "Nasa veteran Peggy Whitson becomes the oldest woman in space as she blasts off for ISS". Telegraph.co.uk. Retrieved 2016-11-19.
- ^ Irene Klotz (16 November 2016). "NASA, Russia Set Flights for Trimmed-Down Space Station Crew". space.com. Retrieved 21 November 2016.
- ^ Garcia, Mark (1 June 2017). "Station Changes Command Before Friday Crew Return". NASA. Retrieved 18 June 2017.
- ^ "NASA, Space Station Partners Announce Crew Members for Missions in 2017". NASA. 6 August 2015. Retrieved 16 February 2016.
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