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 naval warfare, maritime military branch, service branch of the United States Department of Defense. It is the world's most powerful navy with the largest Displacement (ship), displacement, at 4.5 millio ...

during World War II. Typically, minesweepers detected and removed

naval mine A naval mine is a self-contained explosive weapon placed in water to damage or destroy surface ships or submarines. Similar to anti-personnel mine, anti-personnel and other land mines, and unlike purpose launched naval depth charges, they are ...

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 the 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 ar ...

(ASW) duties with rear-mounted

depth charge A depth charge is an anti-submarine warfare (ASW) weapon designed to destroy submarine A submarine (often shortened to sub) is a watercraft capable of independent operation underwater. (It differs from a submersible, which has more limited ...

racks and a forward-firing

Hedgehog A hedgehog is a spiny mammal of the subfamily Erinaceinae, in the eulipotyphlan family Erinaceidae. There are 17 species of hedgehog in five genera found throughout parts of Europe, Asia, and Africa, and in New Zealand by introduction. The ...

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

Korean War The Korean War (25 June 1950 – 27 July 1953) was an armed conflict on the Korean Peninsula fought between North Korea (Democratic People's Republic of Korea; DPRK) and South Korea (Republic of Korea; ROK) and their allies. North Korea was s ...

. 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 they ...

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 only remaining ship of this class is located at Freedom Park, Omaha, NE. 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 secret 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 So ...

– a secret 1945 program that transferred 149 U.S. Navy ships to the

Soviet Navy The Soviet Navy was the naval warfare Military, uniform service branch of the Soviet Armed Forces. Often referred to as the Red Fleet, the Soviet Navy made up a large part of the Soviet Union's strategic planning in the event of a conflict with t ...

at Cold Bay, Territory of Alaska, in anticipation of the

Soviet Union The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...

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#Asia, subregion of Asia. Its northeastern landmass and islands are bounded by the Pacific Ocean, North Pacific Ocean. The term Northeast Asia was popularized during the 1930s by Ame ...

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, Chinese, 中華民國海軍) , colloquially known as the Taiwanese Navy ( Chinese, 台湾海军) by Western or mainland Chinese media, or commonly referred as the National Military Navy ( Chinese, 國軍海軍) ...

, 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 Republ ...

, the

Republic of Korea Navy The Republic of Korea Navy (ROKN; ), also known as the ROK Navy is the naval warfare service branch of the Republic of Korea Armed Forces, South Korean armed forces, responsible for naval and Amphibious warfare, amphibious operations. The South ...

, 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 f ...

, and the Dominican, Mexican,

Myanmar Myanmar, officially the Republic of the Union of Myanmar; and also referred to as Burma (the official English name until 1989), is a country in northwest Southeast Asia. It is the largest country by area in Mainland Southeast Asia and has ...

, and

Philippine The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ...

navies. survives as a

museum ship A museum ship, also called a memorial ship, is a ship that has been preserved and converted into a museum open to the public for educational or memorial purposes. Some are also used for training and recruitment purposes, mostly for the small numb ...

on dry land in

Omaha, Nebraska Omaha ( ) is the List of cities in Nebraska, most populous city in the U.S. state of Nebraska. It is located in the Midwestern United States along the Missouri River, about north of the mouth of the Platte River. The nation's List of United S ...

. was a museum ship on the

Mississippi River The Mississippi River is the main stem, primary river of the largest drainage basin in the United States. It is the second-longest river in the United States, behind only the Missouri River, Missouri. From its traditional source of Lake Ita ...

St. Louis St. Louis ( , sometimes referred to as St. Louis City, Saint Louis or STL) is an independent city in the U.S. state of Missouri. It lies near the confluence of the Mississippi and the Missouri rivers. In 2020, the city proper had a populatio ...

, 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 River, Mississippi and Missouri River, Missouri rivers and their tributaries, from ...

. was scuttled off the coast of

Cozumel Cozumel (; ) 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 Yucatán Channel. The ...

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

scuba diving Scuba diving is a Diving mode, mode of underwater diving whereby divers use Scuba set, breathing equipment that is completely independent of a surface breathing gas supply, and therefore has a limited but variable endurance. The word ''scub ...

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. The site is now Gulf Marine Repair which operates with floating dry docks. History Origins ...

Tampa Tampa ( ) is a city on the Gulf Coast of the United States, Gulf Coast of the U.S. state of Florida. Tampa's borders include the north shore of Tampa Bay and the east shore of Old Tampa Bay. Tampa is the largest city in the Tampa Bay area and t ...

, 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 most populous city in the U.S. state of Oregon *Portland, Maine, the most populous city in the U.S. state of Maine *Isle of Portland, a tied island in the English Channel Portland may also r ...

, 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 complex estuary, estuarine system of interconnected Marine habitat, marine waterways and basins located on the northwest coast of the U.S. state of Washington (state), Washington. As a part of the Salish Sea, the sound ...

, 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 Gua ...

, Alameda, 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, an artificial island in Elliott Bay. The Bridge and Dredging Company created ...

, 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 t ...

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

Engines

* Two 855shp

ALCO The American Locomotive Company (often shortened to ALCO, ALCo or Alco) was an American manufacturer that operated from 1901 to 1969, initially specializing in the production of locomotives but later diversifying and fabricating at various time ...

539 Year 539 ( DXXXIX) was a common year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Strategius without colleague (or, less frequently, year 1292 ''Ab urbe condita''). The denomination 5 ...

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

Cooper Bessemer Cooper-Bessemer was a brand of industrial engines and compressors manufactured in Mount Vernon, Ohio. The Cooper-Bessemer Corporation was formed when the C. & G. Cooper Company (founded in 1833) and the Bessemer Gas Engine Company (founded in 1899 ...

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