The Engineer of the rollout locomotive waves hello as he prepares to back the train away from the launch pad leaving the Soyuz TMA-4 capsule and its booster rocket at the Baikonur Cosmodrome in Kazakhstan on on Saturday, April 17, 2004, in Baikonur, Kazakhstan in preparation for the launch of the Expedition 9 crew and a European researcher to the International Space Station on April 19. The Soyuz vehicle is transported to the launch pad horizontally on a railcar from its processing hangar in a process that takes about 2.5 hours to complete. Photo Credit: (NASA/Bill Ingalls)
