Raytheon Company, Equipment Division, Wayland, Mass., has been awarded a $8,825,605 modification definitizing a previously awarded letter contract for the purchase of various quantities of AN/SPG-51 Radar Components and Ordnance Alterations (ORDALTS) as required for the DDG conversion program. Work will be performed at Wayland and Waltham, Mass. The Naval Sea Systems Command was the contracting activity. (N00024-79-C-5289)