Expedition 51 crew members Fyodor Yurchikhin and Jack Fischer.
jsc2017e038912 (03312017) — At the Gagarin Cosmonaut Training Center in Star City, Russia, , Expedition 51 crew members Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos, left) and Jack Fischer of NASA (right) pose for pictures in front of a Soyuz spacecraft mockup March 31 during the second of two days of final qualification exams. Yurchikhin and Fischer will launch April 20 on the Soyuz MS-04 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a four and a half month mission on the International Space Station. Expedition 51. Photo Rob NaviasNASA.