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At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 63 backup crewmembers Steve Bowen of NASA (left) and Sergey Ryzhikov (center) and Andrei Babkin (right) of Roscosmos review launch procedures with trainers April 1. They are the backups to the prime crew, Chris Cassidy of NASA and Anatoly Ivanishin and Ivan Vagner of Roscosmos, who will launch April 9 on the Soyuz MS-16 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station.