Northrop Grumman Systems Corporation Electronic Systems, Linthicum Heights, Maryland, Lockheed Martin Mission Systems and Sensors, Moorestown, New Jersey, and Raytheon Company Integrated Defense Systems, Sudbury, Massachusetts, are each receiving technology development contracts for the Air and Missile Defense Radar (AMDR) S-band and radar suite controller. AMDR is envisioned as a radar suite containing an S-band and X-band radar and will be designed to be scalable to accommodate current and future mission requirements for multiple platforms. Northrop Grumman received a $120 million contract, Lockheed Martin $119 million and Raytheon $112 million. The U.S. Naval Sea Systems Command, Washington Navy Yard, D.C., is the contracting activity.