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In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, the Expedition 54-55 backup crew members pose for pictures in front of the Soyuz MS-07 spacecraft Dec. 5 as part of their pre-launch training. From left to right are Jeanette Epps of NASA, Sergey Prokopyev of the Russian Federal Space Agency (Roscosmos) and Alexander Gerst of the European Space Agency. They are serving as backups to the prime crew members, Scott Tingle of NASA, Anton Shkaplerov of Roscosmos and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA), who will launch Dec. 17 in the Soyuz MS-07 vehicle for a five-month mission on the International Space Station