AirshowBundled up against a blizzard, Expedition 55 crewmember Ricky Arnold of NASA flashes a thumbs up as he departs the Gagarin Cosmonaut Training Center in Star City, Russia March 4 for a flight to his launch site at the Baikonur Cosmodrome in Kazakhstan. Arnold, Oleg Artemyev of Roscosmos and Drew Feustel of NASA will launch March 21 on the Soyuz MS-08 spacecraft for a five month mission on the International Space Station...NASA/Elizabeth Weissinger.