AN/SPQ-9A, (sometimes pronounced as "spook nine"), is a United States Navy multi-purpose surface search and fire control radar used with the Mk-86 gun fire-control system (MK86 GFCS).
AN/SPQ-9A, also referred to as "spook nine," is a multi-purpose radar used by the U.S. Navy in conjunction with the Mk-86 gun fire control system, which shares similar functions.