In front of the Tsar Cannon at the Kremlin in Moscow pose for pictures during traditional ceremonies.

In front of the Tsar Cannon at the Kremlin in Moscow, Expedition 57 crewmembers Alexey Ovchinin of Roscosmos (left) and Nick Hague of NASA (right) pose for pictures Sept. 17 during traditional ceremonies. Hague and Ovchinin will launch Oct. 11 from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-10 spacecraft for a six-month mission on the International Space Station...Andrey Shelepin and Irina Spektor/Gagarin Cosmonaut Training Center.