Engineering Services and Supplies to be supplied for the Engineering and Sustainment/Readiness Support of the AN/SPY Radar System, AEGIS MK99 Fire Control System, Radar Transmitter Groups, AN/SPS-49 r... Engineering Services and Supplies to be supplied for the Engineering and Sustainment/Readiness Support of the AN/SPY Radar System, AEGIS MK99 Fire Control System, Radar Transmitter Groups, AN/SPS-49 radars and ancillary equipment including AEGIS Microwave Tubes.