Tacoma-class frigate

USS Peoria (PF-67) in June 1945
Class overview
Builders:	American Ship Building Company, Cleveland, Ohio (7 ships) and Lorain, Ohio (6 ships) Consolidated Steel Corporation, Wilmington, California (18 ships) Froemming Brothers, Milwaukee (4 ships) Globe Shipbuilding Company, Superior, Wisconsin (8 ships) Kaiser Cargo, Richmond, California (12 ships) Leathem D. Smith Shipbuilding Company, Sturgeon Bay, Wisconsin (8 ships) Walsh-Kaiser Company, Providence, Rhode Island (21 ships) Walter Butler Shipbuilding Company, Superior, Wisconsin (12 ships)
Operators:	United States Navy  United States Coast Guard  Royal Navy  Soviet Navy  Argentine Navy  Belgian Marine Component  Colombian National Navy  Cuban Navy  Dominican Navy  Ecuadorian Navy  French Navy  Japan Maritime Self-Defense Force  Republic of Korea Navy  Mexican Navy  Royal Netherlands Navy  Peruvian Navy  Royal Thai Navy
Preceded by:	Asheville-class patrol frigate
Succeeded by:	none
Subclasses:	Colony class
Built:	1943–1945
In commission:	1943–2000
Planned:	100
Completed:	96
Cancelled:	4
Lost:	2
Retired:	94
Preserved:	3
General characteristics
Type:	Frigate
Displacement:	1,264 long tons (1,284 t)
Length:	303 ft 11 in (92.63 m)
Beam:	37 ft 6 in (11.43 m)
Draft:	13 ft 8 in (4.17 m)
Propulsion:	2 × boilers 2 × vertical triple expansion reciprocating steam engines, 2 shafts
Speed:	20 knots (37 km/h)
Complement:	190
Armament:	3 × 3 inch/50 AA guns (3×1) 4 × 40 mm guns (2×2) 9 × 20 mm (9×1) 1 × Hedgehog antisubmarine mortar 8 × Y-gun depth charge projectors 2 × depth charge racks

The Tacoma class of patrol frigates served in the United States Navy during World War II and the Korean War. The class is named for its lead ship, USS Tacoma (PF-3), which in turn was named for the city of Tacoma, Washington. Ships of the class also served in the British Royal Navy – in which they were known as Colony-class frigates – and the Soviet Navy during World War II. Tacoma-class ships served in the United States Coast Guard and various navies post-World War II.

In 1942, the success of German submarines against Allied shipping and the shortage of escorts with which to protect Allied sea lines of communication convinced U.S. President Franklin D. Roosevelt of a need to engage mercantile shipbuilders in the construction of warships for escort duty. The United States Maritime Commission, which oversaw the wartime merchant shipbuilding program, proposed to meet this requirement by building a version of the British River-class frigate, a Royal Navy ship type based on a mercantile design in British shipyards experienced in building commercial ships. Two River-class ships under construction in Montreal, Canada, as HMS Adur (for the Royal Navy) and HMCS Annan (for the Royal Canadian Navy), were transferred to the U.S. Navy in 1942 prior to completion as prototypes for the Tacoma class and became the Asheville-class USS Asheville (PF-1) and USS Natchez (PF-2), respectively.

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