AirshowAt the Cosmonaut Hotel crew quarters in Baikonur Kazakhstan Expedition 56 backup crewmembers on the International Space Station.

AirshowAt the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 56 backup crewmembers Anne McClain of NASA (left), Oleg Kononenko of Roscosmos (center) and David Saint-Jacques of the Canadian Space Agency (right) review training documents with a Gagarin Cosmonaut Training Center instructor May 29 as they prepare for the upcoming launch of the prime crewmembers, Serena Aunon-Chancellor of NASA, Sergey Prokopyev of Roscosmos and Alexander Gerst of the European Space Agency, who 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/Victor Zelentsov.