Officials of the U.S. Air Force 21st Contracting Squadron at Peterson Air Force Base, Colo., announced a $49.6 million contract to BAE Systems Technology Solutions & Services in Rockville, Md., to manage, operate, maintain and logistically support the Solid State Phased Array Radar Systems (SSPARS). SSPARS - once referred to as the Phased Array Warning System (PAVE PAWS) and the Ballistic Missile Early Warning System (BMEWS) - is a radar, computer, and communications system for missile warning and space surveillance with sites at Air Force locations in Calif., Mass., Alaska, England, and Greenland.