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
astronaut, aircraft pilot, Russia, 

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  Expedition 73 ⓘ
  73rd long-duration mission to the International Space Station

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  Unknown ⓘ
  

Russia, 

Frameless

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
event	spaceflight		Expedition 73	expedition to the International Space Station	Wikidata
event	spaceflight		Unknown	expedition to the International Space Station	Wikidata
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