The ''Admirable'' class was one of the largest and most successful classes of

minesweeper A minesweeper is a small warship designed to remove or detonate naval mines. Using various mechanisms intended to counter the threat posed by naval mines, minesweepers keep waterways clear for safe shipping. History The earliest known usage of ...

s ordered by the

United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...

during World War II. Typically, minesweepers detected and removed

naval mine A naval mine is a self-contained explosive device placed in water to damage or destroy surface ships or submarines. Unlike depth charges, mines are deposited and left to wait until they are triggered by the approach of, or contact with, any ...

s before the rest of the fleet arrived, thereby ensuring safe passage for the larger ships. They were also charged with

anti-submarine warfare Anti-submarine warfare (ASW, or in older form A/S) is a branch of underwater warfare that uses surface warships, aircraft, submarines, or other platforms, to find, track, and deter, damage, or destroy enemy submarines. Such operations are t ...

(ASW) duties with rear-mounted depth charge racks and a forward-firing

Hedgehog A hedgehog is a spiny mammal of the subfamily Erinaceinae, in the eulipotyphlan family Erinaceidae. There are seventeen species of hedgehog in five genera found throughout parts of Europe, Asia, and Africa, and in New Zealand by introductio ...

antisubmarine mortar. Their job was essential to the safety and success of U.S. naval operations during World War II and the

Korean War , date = {{Ubl, 25 June 1950 – 27 July 1953 (''de facto'')({{Age in years, months, weeks and days, month1=6, day1=25, year1=1950, month2=7, day2=27, year2=1953), 25 June 1950 – present (''de jure'')({{Age in years, months, weeks a ...

. These minesweepers were also employed as

patrol vessel A patrol boat (also referred to as a patrol craft, patrol ship, or patrol vessel) is a relatively small naval vessel generally designed for coastal defence, border security, or law enforcement. There are many designs for patrol boats, and the ...

and

convoy A convoy is a group of vehicles, typically motor vehicles or ships, traveling together for mutual support and protection. Often, a convoy is organized with armed defensive support and can help maintain cohesion within a unit. It may also be used ...

escorts. The of patrol craft escorts was based on the ''Admirable''-class design.

Service in other Navies

As a part of

Project Hula Project Hula was a program during World War II in which the United States transferred naval vessels to the Soviet Union in anticipation of the Soviets eventually joining the war against Japan, specifically in preparation for planned Soviet inv ...

– a secret 1945 program that transferred 149 U.S. Navy ships to the Soviet Navy at Cold Bay, Territory of Alaska, in anticipation of the

Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...

joining the war against Japan – the U.S. Navy transferred 24 ''Admirable''-class minesweepers to the Soviet Navy between May and August 1945. At least some of them saw action in the Soviet offensive against Japanese forces in

Northeast Asia Northeast Asia or Northeastern Asia is a geographical subregion of Asia; its northeastern landmass and islands are bounded by the Pacific Ocean. The term Northeast Asia was popularized during the 1930s by American historian and political scient ...

in August 1945. The Soviet Union never returned them to the United States.Russell, Richard A., ''Project Hula: Secret Soviet-American Cooperation in the War Against Japan'', Washington, D.C.:

Naval Historical Center The Naval History and Heritage Command, formerly the Naval Historical Center, is an Echelon II command responsible for the preservation, analysis, and dissemination of U.S. naval history and heritage located at the historic Washington Navy Yard. ...

, 1997, , pp. 12, 35, 37–38, 39. After World War II, the United States transferred ''Admirable''-class minesweepers to the

Republic of China Navy The Republic of China Navy (ROCN; ), also called the ROC Navy and colloquially the Taiwan Navy, is the maritime branch of the Republic of China Armed Forces (ROCAF). The service was formerly commonly just called the Chinese Navy during World W ...

, the Republic of Chinas

Chinese Maritime Customs Service The Chinese Maritime Customs Service was a Chinese governmental tax collection agency and information service from its founding in 1854 until it split in 1949 into services operating in the Republic of China on Taiwan, and in the People's Repub ...

, the

Republic of Korea Navy The Republic of Korea Navy (ROKN; ko, 대한민국 해군), also known as the ROK Navy or South Korean Navy, is the naval warfare service branch of the South Korean armed forces, responsible for naval and amphibious operations. The ROK Navy i ...

, the

Republic of Vietnam Navy The Republic of Vietnam Navy (RVNN; ; ''HQVNCH'') was the naval branch of the South Vietnamese military, the official armed forces of the former Republic of Vietnam (or South Vietnam) from 1955 to 1975. The early fleet consisted of boats fro ...

, and the Dominican, Mexican,

Myanmar Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John Wells explai ...

, and

Philippine The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

navies. survives as a museum ship on dry land in

Omaha, Nebraska Omaha ( ) is the largest city in the U.S. state of Nebraska and the county seat of Douglas County. Omaha is in the Midwestern United States on the Missouri River, about north of the mouth of the Platte River. The nation's 39th-largest cit ...

. was a museum ship on the

Mississippi River The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it fl ...

St. Louis St. Louis () is the second-largest city in Missouri, United States. It sits near the confluence of the Mississippi and the Missouri Rivers. In 2020, the city proper had a population of 301,578, while the bi-state metropolitan area, which e ...

, until she sank during the

Great Flood of 1993 The Great Flood of 1993 (or Great Mississippi and Missouri Rivers Flood of 1993) was a flood that occurred in the Midwestern United States, along the Mississippi and Missouri rivers and their tributaries, from April to October 1993. The flood wa ...

. was scuttled off the coast of

Cozumel Cozumel (; yua, Kùutsmil) is an island and municipality in the Caribbean Sea off the eastern coast of Mexico's Yucatán Peninsula, opposite Playa del Carmen. It is separated from the mainland by the Cozumel Channel and is close to the Yucat� ...

, Mexico in 1999. It is now a popular site for

scuba diving Scuba diving is a mode of underwater diving whereby divers use breathing equipment that is completely independent of a surface air supply. The name "scuba", an acronym for " Self-Contained Underwater Breathing Apparatus", was coined by Chr ...

Production

Tampa Shipbuilding Company Tampa Shipbuilding Company, or TASCO, was one of a number of shipyards in Tampa, Florida. It operated from 1917 to after World War II, closing in 1947. History Origins Originally Tampa Shipbuilding & Engineering Company, founded in 1917, the y ...

, Tampa, FL (24) ** ... ** ... *

Willamette Iron and Steel Works Willamette Iron Works (also known as Willamette Iron and Steel Company or WISCO) was a general foundry and machine business established in 1865 in Portland, Oregon, originally specializing in the manufacture of steamboat boilers and engines. In ...

Portland Portland most commonly refers to: * Portland, Oregon, the largest city in the state of Oregon, in the Pacific Northwest region of the United States * Portland, Maine, the largest city in the state of Maine, in the New England region of the northeas ...

, OR (23) ** ... ** , , ** ... * Savannah Machine & Foundry, GA (9) ** ... *

Winslow Marine Railway and Shipbuilding Company Winslow Marine Railway and Shipbuilding Company was a shipyard in Puget Sound that operated from 1903 until 1959 on Bainbridge Island, Washington, United States. The shipyard was built as an expansion of Hall Bros. Marine Railway & Shipbuilding C ...

Puget Sound Puget Sound ( ) is a sound of the Pacific Northwest, an inlet of the Pacific Ocean, and part of the Salish Sea. It is located along the northwestern coast of the U.S. state of Washington. It is a complex estuarine system of interconnected ma ...

, WA (13) ** ... ** ... * Gulf Shipbuilding Madisonville, LA (16) ** ... *

General Engineering & Dry Dock Company General Engineering & Dry Dock Company was a shipbuilding and ship repair company in Alameda, California that was active from the 1920s through the 1940s. The company built ships for the Southern Pacific Railroad and the United States Coast Gu ...

Alameda An alameda is a Avenue (landscape), street or path lined with trees () and may refer to: Places Canada *Alameda, Saskatchewan, town in Saskatchewan **Grant Devine Dam, formerly ''Alameda Dam'', a dam and reservoir in southern Saskatchewan Chile ...

, CA (7) ** ... *

Associated Shipbuilders Puget Sound Bridge and Dredging Company was a major shipbuilding and construction company, located in Seattle, Washington, on the southwestern corner of Harbor Island, Seattle, Harbor Island, an artificial island in Elliott Bay. The Bridge and Dr ...

, WA (14) ** ... ** ... *

American Ship Building Company The American Ship Building Company was the dominant shipbuilder on the Great Lakes before the Second World War. It started as Cleveland Shipbuilding in Cleveland, Ohio in 1888 and opened the yard in Lorain, Ohio in 1898. It changed its name to t ...

, Lorain, OH (17) ** ... ** ...

Engines

* Two 855shp

ALCO The American Locomotive Company (often shortened to ALCO, ALCo or Alco) was an American manufacturer of locomotives, diesel generators, steel, and tanks that operated from 1901 to 1969. The company was formed by the merger of seven smaller locomo ...

539 diesel engines, Farrel-Birmingham single reduction gear, two shafts. (30) ** AM-136 ... AM-165 * Two 855shp

Cooper Bessemer Cooper-Bessemer refers to the Cooper-Bessemer Corporation and the Cooper-Bessemer brand of industrial engines and compressors, manufactured in Mount Vernon, Ohio. The Cooper-Bessemer Corporation was formed when C. & G. Cooper (founded in 1833) and ...

GSB-8 diesel engines, National Supply Co. single reduction gear, two shafts (84) ** AM-214 ... AM-226, AM-232 ... AM-235, AM-240 ... AM-242 ** AM-246 ... AM-291, AM-294 ... AM-311 * Two 855shp Busch-Sulzer 539 diesel engines, Farrel Birmingham single reduction gear, two shafts (9) ** AM-356, AM-357, AM-359, AM-361 ... AM-366 * ref:individual ship navsource.org pages. Two 1,710shp engines is assumed to be incorrectly summed

References

( http://shipbuildinghistory.com/smallships/minesweepers1.htm * http://shipbuildinghistory.com/shipyards/small/willamette.htm * http://shipbuildinghistory.com/shipyards/large/tasco.htm * http://www.shipbuildinghistory.com/shipyards/small/savannah.htm

External links

* {{DEFAULTSORT:Admirable Class Minesweeper Mine warfare vessel classes Admirable

Service in other Navies

Production

Engines

See also

References

External links