Expedition 53 crew members, Joe Acaba of NASA, left, Alexander Misurkin of Roscosmos, center, and Mark Vande Hei of NASA, right, answer questions from the press at the Gagarin Cosmonaut Training Center, Wednesday, Sept. 6, 2017 in Star City, Russia. The crew later departed for Baikonur, Kazakhstan in preparation for their launch Sept. 13 on the Soyuz MS-06 spacecraft for a five and a half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

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