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At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 55 backup crew member Alexey Ovchinin of Roscosmos signs in for qualification exams Feb. 20. Ovchinin and Nick Hague of NASA are serving as backups to the prime crew, Oleg Artemyev of Roscosmos and Ricky Arnold and Drew Feustel of NASA, who will launch March 21 on the Soyuz MS-08 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a five month mission on the International Space Station.