In this image provided by NASA the Dawn spacecraft is lifted up the gantry to be mated to the Delta II upper stage booster, in preparation for stacking with the Delta II launch vehicle Wednesday June 27, 2007 at the Cape Canaveral Air Force Station, Fl. The launch is scheduled for July 7. The spacecraft will be the first to orbit two planetary bodies, asteroid Vesta and dwarf planet Ceres, during a single mission. Vesta and Ceres lie in the asteroid belt between Mars and Jupiter. It is also NASA's first purely scientific mission powered by three solar electric ion propulsion engines.(AP Photo/NASA)