The Soyuz TMA-21 spacecraft is rolled out by train on its way to the launch pad at the Baikonur Cosmodrome in Kazakhstan, Saturday, April 2, 2011. The launch of the Soyuz spacecraft with Expedition 27 Soyuz Commander Alexander Samokutyaev, NASA Flight Engineer Ron Garan and Russian Flight Engineer Andrey Borisenko is scheduled for Tuesday, April 5, 2011. Photo Credit (NASA/Carla Cioffi)