jsc2018e048495

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 56 crewmember Sergey Prokopyev of Roscosmos (right) answers a reporter’s question May 14 during a crew news conference. Prokopyev, Serena Aunon-Chancellor of NASA (left) and Alexander Gerst of the European Space Agency (center) will launch June 6 from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-09 spacecraft for a six month mission on the International Space Station. NASA/Elizabeth Weissinger

jsc2018e048495 - At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 56 crewmember Sergey Prokopyev of Roscosmos (right) answers a reporter’s question May 14 during a crew news conference. Prokopyev, Serena Aunon-Chancellor of NASA (left) and Alexander Gerst of the European Space Agency (center) will launch June 6 from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-09 spacecraft for a six month mission on the International Space Station...NASA/Elizabeth Weissinger.