Sergei Mikayev

Sergei Nikolayevich Mikayev is a Russian cosmonaut affiliated with Roscosmos. He was selected as a reserve crew member for the Soyuz MS-27 mission to the International Space Station (ISS), which launched in April 2025.

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1986  Wikimedia, Wikidata
Sergei Nikolayevich Mikayev
aircraft pilot, astronaut, 

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Expedition 73 State Commission (NHQ202504070009)

Sergei Mikayev

jsc2024e077037_alt (Aug. 7, 2025) --- Expedition 74 crew members (from left) NASA astronaut Chris Williams and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergey Mikaev pose for a portrait at NASA's Johnson Space Center in Houston, Texas.

jsc2024e077064_alt (Aug. 7, 2025) --- Roscosmos cosmonaut and Expedition 74 Flight Engineer Sergey Mikaev poses for a portrait in his flight suit at NASA's Johnson Space Center in Houston, Texas. Credit: NASA/James Blair

Type	Subtype	Date	Description	Notes	Source
commons	image		Expedition 73 State Commission (NHQ202504070009)		Commons
commons	image		Sergei Mikayev		Commons
commons	image		jsc2024e077037_alt (Aug. 7, 2025) --- Expedition 74 crew members (from left) NASA astronaut Chris Williams and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergey Mikaev pose for a portrait at NASA's Johnson Space Center in Houston, Texas.		Commons
commons	image		jsc2024e077064_alt (Aug. 7, 2025) --- Roscosmos cosmonaut and Expedition 74 Flight Engineer Sergey Mikaev poses for a portrait in his flight suit at NASA's Johnson Space Center in Houston, Texas. Credit: NASA/James Blair		Commons