Expedition 31 crew members Gennady Padalka, Joe Acaba and Sergei Revin were welcomed aboard the International Space Station after the hatches opened Thursday at 4:10 a.m. EDT. They docked to the Poisk module at 12:36 a.m. after a two day journey that began in Baikonur Cosmodrome, Kazakhstan aboard a Soyuz TMA-04M spacecraft.
