Expedition 53-54 crewmembers arrive at their site at the Baikonur Cosmodrome in Kazakhstan Sept. 6.

Expedition 53-54 crewmembers Joe Acaba of NASA (left), Alexander Misurkin of Roscosmos (center) and Mark Vande Hei of NASA (right) arrive at their 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 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