Expedition 53-54 backup crewmembers are greeted after arriving at the launch site at the Baikonur Cosmodrome.

Expedition 53-54 backup crewmembers Scott Tingle of NASA (foreground), Anton Shkaplerov of Roscosmos (center), and Shannon Walker of NASA are greeted by local students after arriving at the launch site at the Baikonur Cosmodrome in Kazakhstan Sept. 6 after a flight from their training base in Star City, Russia for final pre-launch training. They are serving as backups to the prime crew, Alexander Misurkin of Roscosmos and Joe Acaba and Mark Vande Hei of NASA, who will launch Sept. 13 on the Soyuz MS-06 spacecraft from the Baikonur Cosmodrome for a five and a half month mission on the International Space Station. Credit: NASA/Victor Zelentsov