jsc2018e044093

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 56 crewmembers Serena Aunon-Chancellor of NASA (left), Sergey Prokopyev of Roscosmos (center) and Alexander Gerst of the European Space Agency (right) pose for pictures in front of a Soyuz simulator May 11 during the final day of their vehicle qualification exams. They will launch June 6 on the Soyuz MS-09 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-month mission on the International Space Station. NASA/Elizabeth Weissinger

jsc2018e044093 - At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 56 crewmembers Serena Aunon-Chancellor of NASA (left), Sergey Prokopyev of Roscosmos (center) and Alexander Gerst of the European Space Agency (right) pose for pictures in front of a Soyuz simulator May 11 during the final day of their vehicle qualification exams. They will launch June 6 on the Soyuz MS-09 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-month mission on the International Space Station...NASA/Elizabeth Weissinger.