Expedition 35 Door Signing

Expedition 35 Russian Flight Engineer Alexander Misurkin performs the traditional door signing before he and fellow crewmates, Soyuz Commander Pavel Vinogradov and NASA Flight Engineer Chris Cassidy depart the Cosmonaut Hotel for their Soyuz launch to the International Space Station, Thursday, March 28, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Misurkin, Vinogradov and Cassidy on a five and a half month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)