Raytheon Co. has been awarded a contract to produce three integrated sensor suites and one enhanced integrated sensor suite (EISS) for the Global Hawk high-altitude, long-endurance unmanned aircraft. The company's ISS currently installed on the Global Hawk provides near real-time imagery and has been used in US mission in Afghanistan and Iraq. Northrop Grumman is the prime contractor on the Global Hawk. The Raytheon work will be done in El Segundo, Calif., as part of a contract awarded to Northrop Grumman by the US Air Force, and is scheduled for completion by March 2006. Raytheon also produces the Global Hawk ground element from its Intelligence and Information Systems operation in Falls Church, Va.