Kazakhstan Expedition 56 backup crewmembers are shown a model of the Baikonur Cosmodrome Soyuz launch pad and rocket during a tour of the museum.

AirshowAt the Baikonur Museum 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) are shown a model of the Baikonur Cosmodrome Soyuz launch pad and rocket during a tour of the museum May 21 as part of traditional pre-launch activities. They are the backups to the prime crew, Serena Aunon-Chancellor of NASA, Sergey Prokopyev of Roscosmos and Alexander Gerst of the European Space Agency, who will launch June 6 on the Soyuz MS-09 spacecraft from Baikonur for a six-month mission on the International Space Station...NASA/Victor Zelentsov.