jsc2017e136943 - At the Baikonur Museum in Baikonur, Kazakhstan, Expedition 54-55 backup crewmembers Jeanette Epps of NASA (second from the left), Sergey Prokopyev of the Russian Federal Space Agency (Roscosmos, second from the right) and Alexander Gerst o

At the Baikonur Museum in Baikonur, Kazakhstan, Expedition 54-55 backup crewmembers Jeanette Epps of NASA (second from the left), Sergey Prokopyev of the Russian Federal Space Agency (Roscosmos, second from the right) and Alexander Gerst of the European Space Agency (right) pose for pictures Dec. 6 in traditional Kazakh garb during a visit to a display of a “yurt”, or traditional Kazakh dwelling, housed in the museum facility. They are serving as backups to Anton Shkaplerov of Roscosmos, Scott Tingle of NASA and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA), who will launch Dec. 17 on the Soyuz MS-07 spacecraft for a five-month mission on the International Space Station. Andrey Shelepin/Gagarin Cosmonaut Training Center

jsc2017e136943 - At the Baikonur Museum in Baikonur, Kazakhstan, Expedition 54-55 backup crewmembers Jeanette Epps of NASA (second from the left), Sergey Prokopyev of the Russian Federal Space Agency (Roscosmos, second from the right) and Alexander Gerst o