Expedition 31 Flight Engineer Sergei Revin of Russia dons his Russian Sokol suit in preparation for his launch onboard the Soyuz TMA-04M on Tuesday, May 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Revin, Expedition 31 Soyuz Commander Gennady Padalka, and Flight Engineer Joe Acaba onboard, launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit: (NASA/GCTC/Andrey Shelepin)