Expedition 57 backup crewmember David Saint-Jacques takes during traditional prelaunch activities.

At the Kremlin in Moscow, Expedition 57 backup crewmember David Saint-Jacques of the Canadian Space Agency (left) takes a selfie with prime crewmember Nick Hague of NASA (right) Sept. 17 during traditional prelaunch activities. Hague and Alexey Ovchinin of Roscosmos will launch Oct. 11 from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-10 spacecraft for a six-month mission on the International Space Station...NASA/Elizabeth Weissinger.