Tacoma-class frigate

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USS Peoria (PF-67)
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)
Leatham 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)[1]
Operators:  United States Navy
 United States Coast Guard
 Royal Navy
 Soviet Navy
 Argentine Navy
 Belgian Navy
 Colombian 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 (3x1)
• 4 × 40 mm guns (2x2)
• 9 × 20 mm (9x1)
• 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.

Design[edit]

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.[2][3] 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 and USS Natchez, respectively.

The naval architecture firm of Gibbs & Cox designed the Tacoma class by modifying the River class to American requirements. The Tacoma-class units were designed and armed to serve mostly as anti-submarine warfare ships. They were distinguished from the River class primarily by their pole (instead of the British tripod) foremast and lighter main guns, 3-inch (76.2-mm) instead of the British 4-inch (102-mm), and they had an American rather than British powerplant and were desgned to take advantage of American construction techniques employing prefabrication. Unlike most other types of warship, the Tacomas, like the Rivers, were built to mercantile standards. With the proven effectiveness of the River class on escort duty, the Maritime Commission hoped that the mercantile design of the Tacomas would allow the commercial shipyards to build them more cheaply and efficiently and that the U.S. Navy, some members of which doubted that the commercial shipyard could build a sturdy enough warship, would accept them because of the proven service record of the River-class ships which inspired their design.[2][3]

The resulting ships had a greater range than the superficially similar destroyer escorts, but the U.S. Navy viewed them as decidedly inferior in all other respects. The Tacoma class had a much larger turning circle than a destroyer escort, lacked sufficient ventilation for warm-weather operations – a reflection of their original British design and its emphasis on operations in the North Atlantic Ocean – and were criticized as far too hot below decks, and, because of the mercantile style of their hulls, had far less resistance to underwater explosions than ships built to naval standards like the destroyer escorts.[3]

Like their predecessors Asheville and Natchez, the Tacoma-class ships built for the U.S. Navy all were named after small cities in the United States.[2]

Construction program[edit]

In November 1942, the Maritime Commission gave its West Coast Regional Office the responsibility for coordinating the construction of the ships of the Tacoma class, which was to be split between commercial shipyards on the United States West Coast and five shipyards on the Great Lakes, the latter in particular chosen because they had building ways available for use in the Tacoma program. The Maritime Commission tendered a contract to Kaiser Cargo, Inc., of Oakland, California, to prepare detailed specifications based on the Gibbs & Cox design and to manage the overall construction program.[2]

On 8 December 1942, the Maritime Commission contracted for 69 Tacoma-class ships, for which the U.S. Navy dropped the British "corvette" designation in favor of classifying the Tacomas (along with the two Asheville-class ships that preceded them) as "patrol gunboats" (PG); on 15 April 1943, the two Ashevilles and all Tacomas were reclassified as "patrol frigates" (PF). Kaiser Cargo itself received an order for 12 ships; the Consolidated Steel Corporation of Wilmington, California received an order for 18; the American Ship Building Company, received an order for 11, with four to be built at Cleveland, Ohio, and eight at Lorain, Ohio; the Walter Butler Shipbuilding Company of Superior, Wisconsin, received an order for 12; Froemming Brothers, Inc., of Milwaukee received an order for four; the Globe Shipbuilding Company of Superior, Wisconsin, received an order for eight; and the Leatham D. Smith Shipbuilding Company of Sturgeon Bay, Wisconsin received an order for eight. American Shipbuilding later received an order for another six (four at Cleveland and two at Lorain), bringing the total orders for the U.S. Navy to 79 ships, while the Walsh-Kaiser Company of Providence, Rhode Island, received an order for 21 additional ships, all of which were to be transferred to the Royal Navy, where they were known as the Colony class, bringing the total planned construction to 100 units. Four ships scheduled for construction at Lorain by American Shipbuilding – USS Stamford, USS Macon, USS Lorain, and USS Milledgeville (ex-Vallejo) – were cancelled in December 1943 and February 1944, dropping the ultimate total of Tacoma-class ships built to 96.[1][2]

From the beginning, the construction program was plagued by difficulties which caused it to fall far behind schedule. Unfamiliar with the capabilities of the Great Lakes yards, Kaiser Cargo used prefabrication techniques unsuited to the Great Lakes yards' smaller cranes and had to rework them. Ice prevented patrol frigates built on the Great Lakes from transiting the Soo Locks on the St. Marys River between Lake Superior and Lake Michigan in the winter and spring, requiring them to be floated down the Mississippi River on pontoons to New Orleans or Houston for fitting out, often doubling their construction time. Delays became so lengthy that shipyards began to deliver the ships in such an incomplete state that shakedown and post-shakedown periods of repair and alteration took months for some of them. Bilge keels that cracked in rough seas or cold weather, failures in the welds holding the deckhouse to the deck, engine trouble, and ventilation problems plagued all of the ships. As a result, no Tacoma-class ship was commissioned until late in 1943, none were ready for service until 1944, and the last one, USS Alexandria (PF-18), was not commissioned until March 1945. The ships Consolidated Steel built proved the most reliable, while Kaiser Cargo-built units were the most trouble-prone; among the latter, USS Tacoma (PF-3) took ten months of shakedown and repairs to be ready after her commissioning, and USS Pasco (PF-6) proved equally difficult to make ready for service.[4]

Service[edit]

By the time the first Tacoma-class ships were ready for front-line service in 1944, the U.S. Navy's requirement for them had passed thanks to a decline in the threat from Axis submarines and the availability of ample numbers of destroyers and destroyer escorts, which the Navy regarded as much superior to the Tacoma class. The Navy crewed all of the Tacoma-class ships with United States Coast Guard personnel. The Consolidated Steel-built ships, thanks to their superior reliability and performance, all saw service in the Pacific war zone where one, USS Rockford, teamed with the minesweeper USS Ardent to sink the Japanese submarine I-12 in November 1944, but the U.S. Navy generally relegated the patrol frigates to local training and escort responsibilities and to duty as weather ships, for which some had their after armament removed in order to allow the installation of a weather balloon hangar.[2][3]

As a part of Project Hula – a secret 1945 program that transferred 149 U.S. Navy ships to the Soviet Navy at Cold Bay, Alaska, in anticipation of the Soviet Union joining the war against Japan – the U.S. Navy transferred 28 Tacoma-class ships to the Soviet Navy between July and September 1945. They were the largest, most heavily armed, and most expensive ships transferred during the program. At least some of them saw action in the Soviet offensive against Japanese forces in Northeast Asia in August 1945. The transfer of two more – USS Annapolis and USS Bangor – was cancelled when transfers halted on 5 September 1945. One of the transferred ships, EK-3 (ex-USS Belfast), ran aground and was damaged beyond economical repair in a November 1948 storm off Petropavlovsk-Kamchatsky, but the Soviet Union returned the other 27 frigates to the United States in October and November 1949.[5]

The U.S Navy quickly decommissioned 23 Tacoma-class ships after the end of World War II after only very brief U.S. Navy careers and sold them for scrap in 1947 and 1948, although one, the former USS Charlotte, was saved from the scrapyard to become a Brazilian merchant ship. The 27 ships the Soviet Union returned in 1949 went into the U.S. Navy's Pacific Reserve Fleet in Japan; 13 of them were recommissioned for U.S. Navy service in the Korean War, but all 27 soon were transferred to the navies of other countries. The other 25 Tacoma-class ships never returned to service in the U.S. Navy and also were transferred to foreign countries. In the post-World War II era, Tacoma-class patrol frigates operated in the Japan Maritime Self-Defense Force, the Republic of Korea Navy, and the Argentine, Belgian, Colombian, Cuban, Dominican, Ecuadorian, French, Mexican, Royal Netherlands, Peruvian, and Royal Thai navies, and one ship operated as a civilian weather ship for the government of the Netherlands.[3] In foreign navies, many Tacoma-class ships survived into the 1960s and 1970s, and the last operator of Tacoma-class patrol frigates, Thailand, did not retire its two ships until 2000.

The United States built an additional 21 Tacoma-class ships for the United Kingdom for service in the Royal Navy, where they were known as the Colony class, and all but one of them initially received British names – rather than the names of small U.S. cities – while still U.S. Navy ships; they were returned to the United States between 1946 and 1948. Eighteen of these also were quickly scrapped, but two were sold to Egypt for use as civilian passenger ships and one to Argentina for service as a warship in the Argentine Navy.[6][7][8]

List of ships[edit]

The Tacoma-class ships, listed in order of U.S. Navy hull number, and their dates of active service and fates follow.[1][7][8] (For an alphabetical listing by ship's name, sort the table by "Ship Name", "First Loan", or "Second Loan".)

References[edit]

  1. ^ a b c Gardiner, Robert, ed., Conway's All the World's Fighting Ships, 1922-1946, New York: Mayflower Books, 1980, ISBN 0-8317-0303-2, pp. 62, 148-149.
  2. ^ a b c d e f Russell, Richard A., Project Hula: Secret Soviet-American Cooperation in the War Against Japan, Washington, D.C.: Naval Historical Center, 1997, ISBN 0-945274-35-1, p. 22.
  3. ^ a b c d e Gardiner, Robert, ed., Conway's All the World's Fighting Ships, 1922-1946, New York: Mayflower Books, 1980, ISBN 0-8317-0303-2, pp. 148-149.
  4. ^ Russell, Richard A., Project Hula: Secret Soviet-American Cooperation in the War Against Japan, Washington, D.C.: Naval Historical Center, 1997, ISBN 0-945274-35-1, pp. 22-23.
  5. ^ Russell, Richard A., Project Hula: Secret Soviet-American Cooperation in the War Against Japan, Washington, D.C.: Naval Historical Center, 1997, ISBN 0-945274-35-1, pp. 12, 22-23, 35, 37-38, 39.
  6. ^ Gardiner, Robert, ed., Conway's All the World's Fighting Ships, 1922-1946, New York: Mayflower Books, 1980, ISBN 0-8317-0303-2, p. 62.
  7. ^ a b Dictionary of American Naval Fighting Ships
  8. ^ a b Navsource Patrol Frigate (PF) Index

External links[edit]

Media related to Tacoma class frigates at Wikimedia Commons


Gallery[edit]

Tacoma-class patrol frigates, U.S. Navy[edit]

Colony-class frigates, Royal Navy[edit]