Expedition 39 Soyuz commander Aleksander Skvortsov, of the Russian Federal Space Agency (Roscosmos), followed by, flight engineer Steve Swanson of NASA, middle, and flight engineer Oleg Artemyev of Roscosmos, wave farewell prior to boarding the Soyuz rocket for launch from the Baikonur Cosmodrome Wednesday, March 26, 2014, in Baikonur, Kazakhstan. (AP Photo/NASA, Joel Kowsky) MANDATORY CREDIT