Expedition 52 flight engineers Randy Bresnik of NASA, left, Sergey Ryazanskiy of Roscosmos, center, and Paolo Nespoli of ESA prepare to answer questions from the press outside the Soyuz simulator ahead of their Soyuz qualification exams, Friday, July 7, 2017 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

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