Crewmembers Russian space icons are interred in traditional pre-launch ceremonies.

Expedition 53-54 crewmembers Alexander Misurkin of Roscosmos (left) and Mark Vande Hei (center) and Joe Acaba of NASA (right) walk through Red Square in Moscow in front of St. Basil’s Cathedral Sept. 1 as they prepared to lay flowers at the Kremlin Wall where Russian space icons are interred in traditional pre-launch ceremonies. They will launch Sept. 13 from the Baikonur Cosmodrome in Kazakhstan Sept. 13 on the Soyuz MS-06 spacecraft for a five and a half month mission on the International Space Station. Credit: NASA/Elizabeth Weissinger