Used on ticonderoga class cg (47); sturgeon class ssn (637); radar, series an/sps-49(v); los angeles class ssn (688); missile, all-weather antiship, harpoon (agm-84); support equipment, b-1 aircraft; virginia class cgn (41); missile, air-to-air, phoenix (aim-54); engine, aircraft, f100-pw-200 (f-16a/b/c/d). weapon system essential