United States, June 18 -- Raytheon Co., Integrated Defense Systems, San Diego, California, is being awarded a $52,284,995 modification to increase the contract ceiling on a previously awarded cost-plus-fixed-fee, indefinite-quantity/indefinite-delivery contract (N00039-20-D-0021) for Global Positioning System-Based Positioning, Navigation and Timing Service (GPNTS) software support services. No funding will be placed on contract and obligated at the time of award. GPNTS is used to receive, process and distribute three-dimensional position, velocity, acceleration, attitude, time and frequency in the formats required by shipboard user systems. The software support includes development, integration and test of improvements, correction of defic...