AirshowAt the Korolev Museum at the Baikonur Cosmodrome in Kazakhstan Expedition 54-55 prime crewmembers.

AirshowAt the Korolev Museum at the Baikonur Cosmodrome in Kazakhstan, Expedition 54-55 prime crewmembers Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA, left), Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos, center) and Scott Tingle of NASA (right) display souvenir “launch keys) during traditional pre-flight ceremonies Dec. 13. They 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.