Expedition 63 crew member Chris Cassidy signs a door in the Cosmonaut Hotel

jsc2020e017064 (April 9, 2020) - Expedition 63 Preflight - Expedition 63 crewmember Chris Cassidy of NASA signs a door in the Cosmonaut Hotel prior to departing for launch on a Soyuz rocket with Anatoly Ivanishin and Ivan Vagner of Roscosmos, Thursday, April 9, 2020 in Baikonur, Kazakhstan. The crew is beginning a six-and-a-half month mission on the International Space Station.