YMS-1-class Minesweepers Of The Japan Maritime Self-Defense Force
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YMS-1-class Minesweepers Of The Japan Maritime Self-Defense Force
The ''YMS-1'' class of auxiliary motor minesweepers was established with the laying down of ''YMS-1'' on 4 March 1941. Some were later transferred to the United Kingdom as part of the World War II Lend-Lease pact between the two nations. One ship eventually made its way into the Royal Canadian Navy postwar. Design The design for the class had a displacement of 270 tonnes. The ships had a length of , a beam of , and a draft of . The vessels were capable of , being powered by two General Motors (Cleveland) 8-268A, 2-cycle diesel engines which drove two shafts. The ships had a complement of 32. Their armament comprised one single 3-inch/50 caliber gun mount, two 20 mm anti-aircraft guns and two depth charge projectors. ''YMS-1''-class ships were relatively small compared to larger contemporary US Navy ships. This led to a view by some sailors that the YMS-designated ships were cramped and particularly unsteady. These conditions were described (and surely exaggerated) by one ...
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US 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 million tons in 2021. It has the world's largest aircraft carrier fleet, with List of aircraft carriers in service, eleven in service, one undergoing trials, two new carriers under construction, and six other carriers planned as of 2024. With 336,978 personnel on active duty and 101,583 in the Ready Reserve, the U.S. Navy is the third largest of the United States military service branches in terms of personnel. It has 299 deployable combat vessels and about 4,012 operational aircraft as of 18 July 2023. The U.S. Navy is one of six United States Armed Forces, armed forces of the United States and one of eight uniformed services of the United States. The United States Navy traces its origins to the Continental Navy, which was established during ...
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JDS Yakushima (MSC-658)
USS ''Osprey'' (AMS-28/YMS-422) was a built for the United States Navy during World War II. She was the third U.S. Navy ship to be named for the osprey. History ''YMS-422'' was laid down 9 October 1943 at the Astoria Marine Construction, Astoria, Oregon; launched 1 June 1944; sponsored by Mrs. Charles S. Harper, Jr.; and commissioned 27 September 1944. World War II service ''YMS-422'' patrolled off the California coast until reporting for duty with the Hawaiian Sea Frontier early in January 1945. Patrol activities interspersed with minesweeping training absorbed her time until mid-summer when she sailed to the western Pacific Ocean. The approaching end of the war would not and did not end the need for vessels of this type. The removal of minefields around the Japanese home island of Honshū provided the first extensive test of ''YMS-422's'' skill at this hazardous work. Operations commenced at Nagoya 18 October, continued at Kobe in December, and this craft was still parti ...
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JDS Nuwajima (MSC-657)
USS ''Heron'' (MSC(O)-18/AMS-18/YMS-369) was a built for the United States Navy during World War II. ''Heron'' was laid down as ''YMS-369'' on 13 January 1943 by Wheeler Shipbuilding Corp., Whitestone, New York, and launched 24 July 1943. The sponsor was Miss Frances J. McCarthy, an employee of the firm. The YMS was commissioned 11 October 1943. The minesweeper's World War II service in the American Theatre of operations consisted of minesweeping and escort duty in the Gulf of Mexico and Caribbean while based in Key West; in the Gulf of Maine while based in Portland; and sweeping the approaches to New York City while based in Tompkinsville. Pacific operations included sweeping around the home islands after the Japanese surrender. On 2 March 1946, she sailed for home after 4 months in Japanese waters and was decommissioned. She was named ''USS Heron'' and reclassified AMS-18 7 February 1947. After recommissioning 15 July 1949, ''Heron'' engaged in training exercises on the ...
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JDS Etajima (MSC-656)
USS Firecrest (AMS-10/YMS-231) was an acquired by the U.S. Navy for clearing coastal minefields during World War II. ''Firecrest'' was laid down 5 October 1942 by Frank L. Sample, Jr., Boothbay Harbor, Maine; launched, 3 April 1943; completed and commissioned ''USS YMS-231'', 6 August 1943. She was decommissioned in February 1947; named ''Firecrest'' and reclassified as a Motor minesweeper, AMS-10, 18 February 1947. ''Firecrest'' returned to service in the later 1940s. She was sent to Korea in 1950 and operated in the combat zone until the shooting ended in July 1953. ''Firecrest'' continued to serve in the Far East after the war. She was reclassified as a Coastal minesweeper, Old, MSC(O)-10, 7 February 1955. ''Firecrest'' was transferred to Japan, 15 March 1955 as ''Etajima'' (MSC-656). She was returned to U. S. custody in 1967 and struck from the Naval Register A Navy Directory, Navy List or Naval Register is an official list of naval officers, their ranks and seni ...
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USS Condor (AMS-5)
USS ''Condor'' (MSC(O)-5/AMS-5/YMS-192) was a built for the United States Navy during World War II. She was the second U.S. Navy ship named for the condor. History ''Condor'' was laid down as ''YMS-192'' on 30 September 1942 by the Greenport Basin and Construction, Greenport Basin and Construction Co. of Greenport, Suffolk County, New York, Greenport, Long Island, New York; launched, 5 December 1942; completed and commissioned USS ''YMS-192'', 13 June 1943. ''YMS-192'' served along the U.S. East Coast and in the Caribbean until the Atlantic War ended in May 1945. Sent to the Pacific Ocean, Pacific, she took part in post-war mine clearance operations off Japan. ''YMS-192'' returned to the U.S. in April 1946 and was decommissioned in May. While laid up in reserve at San Diego, California, she was reclassified as a Motor Minesweeper, AMS-5 and named ''USS Condor'' 18 February 1947. Recommissioned for Korean War service in November 1950, ''Condor'' deployed to the combat zone in ...
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