In this image released by NASA, from left, Expedition 39 flight engineer Steven Swanson of NASA, Soyuz commander Aleksander Skvortsov, of the Russian Federal Space Agency (Roscosmos), and flight engineer Oleg Artemyev of Roscosmos, wave as they depart the Cosmonaut Hotel Tuesday, March 25, 2014, in Baikonur, Kazakhstan. The mission is set to launch March 26 from the Baikonur Cosmodrome. (AP Photo/NASA, Joel Kowsky) MANDATORY CREDIT