Dubrov was selected by Roscosmos as a cosmonaut on 8 October 2012, as one of eight cosmonauts selected as part of Roscosmos's 2012 selection group. In 2020 he was assigned to the backup crew of Soyuz MS-17, backing up Russian cosmonaut Sergey Kud-Sverchkov as Flight Engineer on ISS Expedition 63/64
Soyuz MS-18 begins expedition 65 by carrying Roscosmos cosmonauts Oleg Novitsky, Pyotr Dubrov and NASA astronaut Mark Vande Hei to the International Space Station aboard the Soyuz spacecraft from the Baikonur Cosmodrome in Kazakhstan. After launching from the Baikonur Cosmodrome in Kazakhstan, they will rendezvous to the station where they will remain for their 6 month stay.Low Earth Orbit
Soyuz mission launching from the Baikonur Cosmodrome in Kazakhstan and carrying Roscosmos cosmonaut Anton Shkaplerov as well as the Challenge movie crew (Russian film producer Klim Shipenko and actress Yulia Peresild) to the International Space Station.Low Earth Orbit
The Roscosmos State Corporation for Space Activities, commonly known as Roscosmos, is the governmental body responsible for the space science program of the Russian Federation and general aerospace research. Soyuz has many launch locations the Russian sites are Baikonur, Plesetsk and Vostochny however Ariane also purchases the vehicle and launches it from French Guiana.