jsc2017e138121 - At the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, the Expedition 54-55 backup crewmembers pose for pictures Dec. 13 in front of the Soyuz MS-07 spacecraft during pre-launch training. Jeanette Epps of NASA (left), Serge

jsc2017e138121 - At the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, the Expedition 54-55 backup crewmembers pose for pictures Dec. 13 in front of the Soyuz MS-07 spacecraft during pre-launch training. Jeanette Epps of NASA (left), Sergey Prokopyev of the Russian Federal Space Agency (Roscosmos, center) and Alexander Gerst of the European Space Agency (right) are serving as backups to the prime crewmembers, Scott Tingle of NASA, Anton Shkaplerov of Roscosmos and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA), who will launch Dec. 17 on the Soyuz MS-07 vehicle for a five month mission on the International Space Station...Andrey Shelepin/Gagarin Cosmonaut Training Center.