AirshowAt the Kremlin Wall in Red Square in Moscow pose for pictures as part of traditional pre-launch activities.

AirshowAt the Kremlin Wall in Red Square in Moscow May 14, Expedition 56 prime crewmembers Serena Aunon-Chancellor of NASA (left), Sergey Prokopyev of Roscosmos (center) and Alexander Gerst of the European Space Agency (right) pose for pictures as part of traditional pre-launch activities. They 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.