The contract was awarded to ULA’s subsidiary, United Launch Services.

   ULA is contracted to put the Air Force’s Mobile User Objective System-4 (MUOS-4) satellite in orbit aboard an Atlas 5 rocket, and to launch a global positioning system satellite aboard a Delta 4 rocket. The rockets will be developed at ULA’s assembly plant in Decatur, Ala.

   ULA, a joint venture of Lockheed Martin and Boeing, is the primary rocket launch company for federal government satellites and space probes.