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).
The AN/SPQ-9A, nicknamed "spook nine" due to its classification, is a surface search and fire control radar employed by the U.S. Navy as part of the Mk-86 gun fire-control system (MK86 GFCS).