Oleg Platonov

Oleg Vladimirovich Platonov (Russian: Олег Владимирович Платонов; born 27 June 1986) is a Russian cosmonaut selected by Roscosmos in 2018 as part of the Group 17 cosmonaut selection. A former military pilot and engineer, Platonov was scheduled to make his first spaceflight aboard the Soyuz MS-25 mission to the International Space Station (ISS) in 2024. This was changed to the SpaceX Crew-11 after a seat swap with a US astronaut.

Early life and education Oleg Platonov was born on 27 June 1986 in Chelyabinsk, Russian SFSR, Soviet Union (now Russia). After completing his secondary education, he enrolled at the Krasnodar Higher Military Aviation School of Pilots, specializing in "Aircraft Operation and Air Traffic Management." He graduated on 18 October 2008 with a degree in engineering

Cosmonaut career Platonov was selected as a cosmonaut candidate by Roscosmos in 2018 as part of the Group 17 selection process. He completed his basic cosmonaut training and was officially qualified as a test cosmonaut. In February 2025, Roscosmos announced that Platonov would fly aboard a U.S. Crew Dragon spacecraft as part of the Crew-11 mission, which launched in August 2025, under a seat-swap agreement with NASA. However, he was initially assigned to the Soyuz MS-25 mission, planned for earlier in 2024, marking his first spaceflight to the ISS.