AirshowExpedition 55 crewmembers Ricky Arnold of NASA, Oleg Artemyev of Roscosmos and Drew Feustel of NASA are greeted by Russian space officials in Baikonur, Kazakhstan after their arrival March 4 following a flight from their training base outside of Moscow. The trio will launch March 21 on the Soyuz MS-08 spacecraft for a five month mission on the International Space Station...NASA/Victor Zelentsov.