jsc2017e136937 - At the Baikonur Museum in Baikonur, Kazakhstan, Expedition 54-55 backup crewmember Jeanette Epps of NASA views a model of a Soyuz rocket Dec. 6 during a traditional pre-launch visit to the facility. Epps, Sergey Prokopyev of the Russian Fe

At the Baikonur Museum in Baikonur, Kazakhstan, Expedition 54-55 backup crewmember Jeanette Epps of NASA views a model of a Soyuz rocket Dec. 6 during a traditional pre-launch visit to the facility. Epps, Sergey Prokopyev of the Russian Federal Space Agency (Roscosmos) and Alexander Gerst of the European Space Agency 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

jsc2017e136937 - At the Baikonur Museum in Baikonur, Kazakhstan, Expedition 54-55 backup crewmember Jeanette Epps of NASA views a model of a Soyuz rocket Dec. 6 during a traditional pre-launch visit to the facility. Epps, Sergey Prokopyev of the Russian Fe