Classic Wizard was a tactical ocean, surveillance information processing and reporting system operated by the Naval Security Group Command (NSG) starting in 1976 and continuing for more than two decades. Elements of the NSG operated five classic wizard regional reporting centers (RRC) including the northern Pacific RRC at the Naval Security Group Activity Adak Alaska; the Atlantic RRC at the Naval Security Group Winter Harbor, Maine; the European RRC at the Naval Security Group Activity Edzell Scotland the Western Pacific RRC at the Naval Communications Area Master Station Pacific located on the island of Guam in the Marina‘s Islands; and the Indian Ocean RRC at the Naval Communications Station (later, Naval Computer and Telecommunication Station) Diego Garcia, located on the island of Diego Garcia Chagos Archipelago in the Indian Ocean. Chief of Naval Operations established and promulgated policy concerning direct reporting by RRC‘s to the U.S. Navy commands afloat and assure and authorize direct reporting tasking from Commander U.S. Pacific Fleet (Adak, Guam, Diego); Commander U.S. Atlantic fleet (Winter Harbor);  and Commander U. S. Naval Forces  Europe ( Edzell).