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A crowd of workers and other onlookers view the Proton launch vehicle and its current payload--the Zvezda Service Module (background)--resting on a rail car following mating of the stack in the Proton launch vehicle processing facility. The stacked hardware later began the short rail journey to Launch Pad 23, Launch Complex 81 at the Baikonur Cosmodrome in Kazakhstan for a scheduled July 12 launch date