Brooke class Guided Missile Frigate - DEG / FFG
all Brooke-class DEG's (Guided Missile Destroyer Escorts) were reclassified to FFG's in 1975
Brooke class ships were nearly identical to the Garcia class, except the second 5"/38 caliber gun was replaced with a Tartar missile system and electronics. Brooke class ships also had the AN/SPS-52 3D air search radar instead of the two dimension AN/SPS-40 and added the AN/SPG-51 for target tracking and missile guidance. The Mk 22, single arm, 16 missile launcher was placed midships. FFG-1 through FFG-3 had a Westinghouse geared steam turbine while FFG-4 through FFG-6 employed a General Electric turbine. All ships had two Foster-Wheeler boilers. FFG-4 through FFG-6 had an angled base of the bridge structure behind the ASROC launched for automatic reloading. The Brooke class was originally designed to carry the DASH drone, but were later equipped with LAMPS SH-2 Seasprite after the hangar was enlarged. Oliver Hazard Perry class systems were evaluated on USS Talbot (FFG-4) including the Otobreda 76 mm gun, the AN/SQS-56 sonar and other systems. Initially authorized as guided missile destroyer escorts (DEG), FFG-1 through FFG-3 were authorized in FY1962 while FFG-4 through FFG-6 were authorized in FY1963. Plans called for ten more ships to be authorized in FY1964 and possibly three more in later years, but those plans were dropped because of the $11 million higher cost of the DEG over an FF.
Ships:
unit			in service	builder
FFG 1 USS Brooke			1966	Lockheed Shipbuilding & Construction, Seattle, Washington, USA
FFG 2 USS Ramsey			1967	Lockheed Shipbuilding & Construction, Seattle, Washington, USA
FFG 3 USS Schofield			1968	Lockheed Shipbuilding & Construction, Seattle, Washington, USA
FFG 4 USS Talbot			1967	General Dynamics (Bath Iron Works) Bath, Maine
FFG 5 USS Richard L. Page			1967	General Dynamics (Bath Iron Works) Bath, Maine
FFG 6 USS Julius A. Furer			1967	General Dynamics (Bath Iron Works) Bath, Maine
specifications / technical data:
Displacement	2640 tons (standard) 3425 tons (full)
Length	126,30 meters (over all) / 118,90 meters (waterline)
Beam	13,50 meters
Draft	7,90 meters
Max Speed	27+ knots
Propulsion	1 Westinghouse/GE steam turbine; 2 Foster-Wheeler boilers (1200 psi); 35000 shp; 1 shaft; 1 propeller;
Aircraft	flight deck and hangar for 1 SH-2F "Seasprite" (LAMPS I)
Armament	1 Mk-22 missile launcher (16 RIM-24 Tartar-SAM, later RIM-66 Standard SM-1MR missiles) 1 Mk-30 5"/38 caliber (127mm) DP-gun 1 Mk-16 octuple ASROC missile launcher (for 8 RUR-5A ASROC - Anti-Submarine Rocket - plus reload) 2 Mk-32 triple torpedo tubes (for Mk.46 Torpedoes)
Systems	Radar: AN/SPS-10F Surface Search AN/SPS-52 A/D 3D Air Search Sonar: AN/SQS-26AXR bow mounted Sonar Fire Control: Mk.4 Weapon Direction System Mk.56 Gun Fire Control System with Mk.35 Radar Mk.74 Missile Fire Control Sys. Mk.114 ASW Fire Control Sys. AN/SPG-51C Radar
Complement	approx. 240
Armament:
details:
AN/SPS-10F (surface search radar), AN/SPS-52D (air search radar) and AN/SPG-51C (missile fire control radar for RIM-66 Standard missiles)
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