Chris Cassidy and Pavel Vinogradov

JSC2013-E-013835 (7 March 2013) --- At the Gagarin Museum at the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 35/36 Flight Engineer Chris Cassidy of NASA (right) signs a ceremonial book March 7 during traditional pre-launch activities as his crewmate, Soyuz Commander Pavel Vinogradov looks on. Cassidy, Vinogradov and Flight Engineer Alexander Misurkin will launch to the International Space Station March 29, Kazakh time, in their Soyuz TMA-08M spacecraft from the Baikonur Cosmodrome in Kazakhstan. Photo credit: NASA