Specifications 0.92range (km) Used by 1955 St. Laurent class destroyer DD 21958 Restigouche class destroyer DD 21961 Type 81 Tribal class frigate FF 11962 Mackenzie class destroyer DD 21962 President class frigate FF 11963 St. Laurent DDH class destroyer DD 11964 Annapolis class destroyer DD 11972 Iroquois class destroyer DD 1 In Service Canadian Armed Forces Royal Navy South African Navy