Expedition 55 Preflight

Expedition 55 flight engineer Ricky Arnold of NASA performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Oleg Artemyev of Roscosmos and Drew Feustel of NASA, Wednesday, March 21, 2018 in Baikonur, Kazakhstan. Arnold, Artemyev, and Feustel will launch in their Soyuz MS-08 spacecraft to the International Space Station to begin a five month mission. Photo Credit: (NASA/Joel Kowsky)