Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, bottom, Flight Engineer Steve Swanson of NASA, middle, and Flight Engineer Oleg Artemyev of Roscosmos, wave farewell prior to boarding the Soyuz TMA-12M rocket for launch, Wednesday, March 26, 2014 at the Baikonur Cosmodrome in Kazakhstan. Skvortsov, Swanson, and Artemyev will spend the next six months aboard the International Space Station.