At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 39/40 Flight Engineer Steve Swanson of NASA (front, left) signs a commemorative book at the museum March 6 as his crewmates, Alexander Skvortsov of Roscosmos (front, center) and Oleg Artemyev of Roscosmos (front, right) look on. Also participating in the back row were backup crew members Barry Wilmore of NASA (back, left), Alexander Samokutyaev of Roscosmos (back, center) and Elena Serova of Roscosmos (back, right). Swanson, Skvortsov and Artemyev are preparing for their launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan March 26, Kazakh time, in their Soyuz TMA-12M spacecraft for a six-month mission.