Sergey Prokopyev (cosmonaut)

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search
Sergey Prokopyev
Sergey Prokopyev - NASA portrait.jpg
Native name
Сергей Валерьевич Прокопьев
Born (1975-02-19) 19 February 1975 (age 44)
Sverdlovsk, Russia
Space career
RKA Cosmonaut
Time in space
196 days 17 hours 49 mins
SelectionTsPK-15/RKKE-17 Cosmonaut Group
MissionsSoyuz MS-09 (Expedition 56/57)
Mission insignia
Soyuz-MS-09-Mission-Patch.png ISS Expedition 56 Patch.svg ISS Expedition 57 Patch.svg

Sergei Valeriyevich Prokopyev (Russian: Сергей Валерьевич Прокопьев, born 19 February 1975) is a Russian cosmonaut. He is the commander of Soyuz MS-09, and flight engineer of Expedition 56/57 to the International space station.

Roscosmos career[edit]

Until October 2010, when Prokopyev was selected as a test-cosmonaut candidate of the Gagarin Cosmonaut Training Center Cosmonaut Office, he was a Major and Commander of a Tu-160-squadron. He finished training in August 2012.[1]

He was assigned as the backup commander for Soyuz TMA-18M and Soyuz MS-07.

Expedition 56/57[edit]

On June 6, 2018, Prokopyev commanded the Soyuz MS-09, alongside flight engineers Alexander Gerst, and Serena Auñón-Chancellor from the Baikonur Cosmodrome. It successfully docked at the International Space Station on June 8, 2018, bringing the Expedition 56 crew up to six.[2]

On December 11, 2018 he conducted a spacewalk to investigate a hole that had been found in Soyuz MS-09.[3]


Prokopyev is married and has a daughter and a son.


  1. ^ Becker, Joachim. "Cosmonaut Biography: Sergei Prokopyev". Retrieved 20 August 2017.
  2. ^ Howell, Elizabeth (June 6, 2018). "Liftoff! International Crew Launches Toward Space Station". Retrieved June 6, 2018.
  3. ^ Pearlman, Robert Z (11 December 2018). "Cosmonauts on Spacewalk Cut Into Soyuz Spacecraft to Inspect Patched Hole". Retrieved 29 December 2018.

External links[edit]