Powerful new Vulcan Centaur rocket gearing up for 1st Space Force mission
United Launch Alliance hoists its Vulcan first stage booster into the Vertical Integration Facility-G adjacent to Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida. The rocket will launch the USSF-106 mission for the U.S. Space Force, Vulcan's first national security flight. (Image credit: United Launch Alliance) By Julian