The Expedition 51 prime and backup crewmembers are shown a replica of a Soyuz seat and passenger during a tour of the facility.

At the Baikonur Cosmodrome Museum in Kazakhstan, the Expedition 51 prime and backup crewmembers are shown a replica of a Soyuz seat and passenger April 14 during a traditional tour of the facility. From left to right are prime crewmember Jack Fischer of NASA, backup crewmember Sergey Ryazanskiy of the Russian Federal Space Agency (Roscosmos), backup crewmember Randy Bresnik of NASA and prime crewmember Fyodor Yurchikhin of Roscosmos. Fischer and Yurchikhin will launch April 20 on the Soyuz MS-04 spacecraft for a four and a half month mission on the International Space Station. Credit: NASA/Victor Zelentsov