Expedition 56 Preflight

Expedition 56 flight engineer Alexander Gerst of ESA (European Space Agency) performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Serena Auñón-Chancellor of NASA and Sergey Prokopyev of Roscosmos, Wednesday, June 6, 2018 in Baikonur, Kazakhstan. Gerst, Auñón-Chancellor, and Prokopyev will launch in their Soyuz MS-09 spacecraft to the International Space Station to being a six month mission. Photo Credit: (NASA/Joel Kowsky)