In the Edsall class, diesels were again fitted in a Buckley hull—this time a Fairbanks Morse design for submarines with a compact single reduction gear transmission—the FMR (Fairbanks Morse diesel with reversible gear drive) type. They were regarded as the most successful of

Length: “Long hull” 306' 0" x 300' 0" Molded Beam: 36' 7" Displacement: 1,200 long tons standard; 1,590 full load. Draft: Light: 8' 6"; Deep: 12' 3" Designed Complement: Officers, 15; Enlisted, 201. Shaft Horsepower: 6,000. Speed: Trial: 21.2 knots; Service: 21 knots. Screws: Two Rudders: Two Bridge: High, open. Stacks: One Initial Armament: 3 x 3-inch/50 dual purpose guns. 1 x quad 1.1-inch cannon or 1 x single 40mm gun; later 1 x quad and 2 x twin 40mm guns.. 8 x single 20mm guns. 3 x depth charge racks. 8 x depth charge projectors. 1 x Hedgehog.

the 6,000 shp classes.

BUILDERS
FMRs were built at Consolidated and Houston.

MODIFICATIONS
Plans were made to replace the 3-inch main battery with two 5-inch guns, but only Camp was refitted following a collision in April 1945.

LOSSES
   • Leopold was torpedoed by U-255 south of Iceland, 9 March 1944.
   • Holder was damaged beyond repair by Germain aircraft torpedoes off Algiers, 11 April 1944. Her stern was used to repair Menges.
   • Fiske was torpedoed by U-804 north of the Azores, 2 August 1944.
   • Frederick C. Davis was torpedoed by U-546 in the North Atlantic, 24 April 1945.

DECORATIONS
   • Frost received a Presidential Unit Citation for anti-submarine action in World War II.
   • Haverfield, Swenning, Willis, Janssen, and Wilhoite received Presidential Unit Citations with Francis M. Robinson as part of hunter-killer task groups with escort carrier Bogue (CVE 9) in the Atlantic.
   • Pillsbury, Pope and Chatelain received a Presidential Unit Citation with Jenks as part of a hunter-killer task group with escort carrier Guadalcanal (CVE 60).
   • Frederick C. Davis and Herbert C. Jones each received a Navy Unit Commendation for action during the Anzio campaign.
   • Kretchmer received a Navy Unit Commendation for action three days after the war ended.