Russian Federal Space Agency (ROSCOSMOS) · Russia
Flights
2
Spacewalks
8
Time in Space
567d 15h 11m
Sergei Valeriyevich Prokopyev, 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.