Backup crewmembers pay tribute after laying flowers at the statue of Russia's designer Sergey Korolev in a traditional ceremony.

In the town of Baikonur, Kazakhstan, Expedition 53-54 backup crewmembers Shannon Walker of NASA, Anton Shkaplerov of Roscosmos and Scott Tingle of NASA pay tribute after laying flowers at the statue of Russia’s great space designer Sergey Korolev in a traditional ceremony 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: NASA/Victor Zelentsov