Stock Photo - At the Space Museum in the town of Baikonur, Kazakhstan, Expedition 53-54 backup crewmembers Anton Shkaplerov of Roscosmos (second from left), Shannon Walker of NASA (second from right) and Scott Tingle of NASA (right) receive a briefing on a mockup of a Soyuz rocket on its launch pad from a museum guide in a traditional pre-launch activity Sept. 8. They are serving as backups to the prime crewmembers, Joe Acaba of NASA, Alexander Misurkin of Roscosmos and Mark Vande Hei of NASA, who will launch on Sept. 13 from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-06 spacecraft for a five and a half month mission on the International Space Station. Credit: NASAVictor Zelentsov