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At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 51 crewmembers Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos, left) and Jack Fischer of NASA (right) display commemorative items April 13 that will be used as "zero-G" mascot indicators in the Soyuz MS-04 descent module over their heads during launch and their ascent to orbit. Yurchikhin is holding several toys from his children and Fischer is holding an emblem of the MD Anderson Cancer Center in Houston, where his daughter, Sariah was treated. Fischer and Yurchikhin will liftoff April 20 from the Baikonur Cosmodrome on the Soyuz MS-04 spacecraft for a four and a half month mission on the International Space Station.