Expedition 53-54 prime crewmember Alexander Misurkin of Roscosmos walks through the ground of the Kremlin in Moscow with his family Sept. 1 as part of traditional pre-launch ceremonies. Following Misurkin are NASA astronauts Joe Acaba, Mark Vande Hei, Shannon Walker and Scott Tingle. Misurkin, Acaba and Vande Hei 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