Used on helicopter, uscg search and rescue, hh-60j; radar, series an/sps-49(v); helicopter, search and rescue, hh-60h; helicopter, carrier based asw, sh-60f; ticonderoga class cg (47); sturgeon class ssn (637); virginia class cgn (41); los angeles class ssn (688); landing craft air cushion (lcac). weapon system essential
