At the Cosmonaut Hotel crew quarters in Baikonur get as part of their pre-launch activities.

At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 51 crewmembers Jack Fischer of NASA (left) and Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos, right) get in a game of ping-pong April 13 as part of their pre-launch activities. Fischer and Yurchikhin will liftoff April 20 from the Baikonur Cosmodrome on the Soyuz MS-04 spacecraft for a four and a half month mission on the International Space Station. NASA/Victor Zelentsov