The United States Navy reclassified many of its surface vessels in 1975, changing terminology and hull classification symbols for cruisers, frigates, and ocean escorts.
Guided Missile Cruiser USS Bainbridge (CGN-25) – formerly Frigate (DLGN-25)
Guided Missile Destroyer USS William V. Pratt (DDG-44) Farragut class – formerly Frigate (DLG-13)
Frigate USS Reasoner (FF-1063), formerly Ocean Escort (DE-1063)
Ocean escort was a type of warship used by the United States Navy. They were an evolution of the destroyer escort types used during World War II. The ocean escorts were intended as convoy escorts and
USS Dealey (DE-1006), the first ocean escort
USS Brooke (DEG-1), lead ship of the only class of guided missile ocean escorts
USS Knox (DE-1052), lead ship of the last class of ocean escorts