Used on radar, series an/sps-49(v); ground mobile force satellite comm term (an/tsc-93 a); helicopter, search and rescue, hh-60h; helicopter, uscg search and rescue, hh-60j; los angeles class ssn (688); landing craft air cushion (lcac); radar set, lightweight 3d (an/tps-59); helicopter, carrier based asw, sh-60f; sturgeon class ssn (637). weapon system essential
