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

At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, the Expedition 51 prime and backup crewmembers attend flag-raising ceremonies April 7 as part of their pre-launch activities. From left to right are prime crewmembers Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos) and Jack Fischer of NASA and backup crewmembers Sergey Ryazanskiy of Roscosmos and Randy Bresnik of NASA. Yurchikhin and Fischer will launch April 20 on the Soyuz MS-04 spacecraft from the Baikonur Cosmodrome for a four and a half month mission on the International Space Station. NASA/Victor Zelentsov