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Nikolai Chub
Nikolay Aleksandrovich Chub (Russian: Николай Александрович Чуб; born 10 June 1984) is a cosmonaut selected by the Roscosmos space agency in 2012. BiographyPrior to selection as a cosmonaut, Chub obtained a degree in management and informatics from the South-Russian State Technical University (Novocherkassk Polytechnic Institute) in 2006 as the top member of his class.[1] He subsequently obtained a graduate degree in economics from the same institution. Prior to his selection as a cosmonaut, Chub directed the astronautics firm Space Tu, LLC. He was selected as a cosmonaut candidate in 2012 and was named a test cosmonaut on June 16, 2014. In 2019 Chub participated to the training ESA CAVES,[2][3] organized by the European Space Agency, held between Italy and Slovenia. Chub trained as a backup crewmember for the Soyuz MS-12 flight to the International Space Station, and in accordance with his Roscosmos biography, had been selected as a crewmember for the Soyuz MS-17 mission, but was subsequently replaced by American astronaut Kathleen Rubins.[4] In January 2022 Chub was denied without explanation a visa to the United States to visit the Johnson Space Center and to hold a five-week session there to get acquainted with the American segment of the ISS.[5] Roscosmos considered that the decision of the American side threatens the safety of the astronaut on the ISS.[6] After the publication of this information, a visa for a trip to the United States was issued to Chub a few days later.[7] Chub was again assigned as a backup crew member for Soyuz MS-22, and then flew on MS-24. He returned on Soyuz MS-25 after a year long mission in space.[8] References
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