Expedition 49 backup crewmembers arrive in Baikonur Kazakhstan Sept. 8 for final pre-launch training after a flight.

Expedition 49 backup crewmembers Mark Vande Hei of NASA (left) and Alexander Misurkin (center) and Nikolai Tikhonov (right) of Roscosmos arrive in Baikonur, Kazakhstan Sept. 8 for final pre-launch training after a flight from their base at the Gagarin Cosmonaut Training Center in Star City, Russia. The trio will serve as backups to prime crewmembers Shane Kimbrough of NASA and Sergey Ryzhikov and Andrey Borisenko of Roscosmos, who will launch on Sept. 24, Kazakh time on the Soyuz MS-02 spacecraft for a five-month mission on the International Space Station.

NASA/Victor Zelentsov