At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 35-36 Flight Engineer Chris Cassidy flashes a thumbs up for photographers prior to the start of qualification simulation runs in a Soyuz spacecraft mockup March 5. Cassidy, Soyuz Commander Pavel Vinogradov and Flight Engineer Alexander Misurkin are training for launch March 29, Kazakh time, to the International Space Station in their Soyuz TMA-08M spacecraft from the Baikonur Cosmodrome in Kazakhstan.
NASA / Stephanie Stoll