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USS Swan (AMS-37)
Career (United States)
Name: USS Swan
Ordered: as Patrol Craft Sweeper, PCS-1438
Builder: Gibbs Gas Engine Co., Jacksonville, Florida
Laid down: 12 August 1943
Launched: 5 April 1944
Commissioned: 14 October 1944
Decommissioned: 1 June 1946
Recommissioned: 8 November 1950
Decommissioned: 6 October 1955
Renamed: Swan, 18 February 1947
Reclassified: YMS-470 (Auxiliary Motor Minesweeper), 27 September 1943
AMS-37 (Motor Minesweeper), 1 June 1946
MSC(O)-37 (Coastal Minesweeper (Old)), 1 August 1955
Struck: 1 November 1959
Fate: Sold to General Motors as a research vessel
General characteristics
Class & type: YMS-1 class minesweeper
Displacement: 320 long tons (325 t) full
Length: 136 ft (41 m)
Beam: 24 ft 6 in (7.47 m)
Draft: 6 ft 1 in (1.85 m)
Propulsion: 2 × 880 bhp (656 kW) General Motors 8-268A diesel engines
Snow and Knobstedt single reduction gear
2 shafts
Speed: 12 knots (22 km/h; 14 mph)
Complement: 33 officers and enlisted
Armament: • 1 × 3"/50 caliber gun
• 2 × 20 mm guns

The second USS Swan was laid down on 12 August 1943 by the Gibbs Gas Engine Co., at Jacksonville, Florida, as Patrol Craft, Sweeper, PCS-1438; and was redesignated Auxiliary Motor Minesweeper YMS-470, on 27 September 1943. Launched on 5 April 1944; the ship was completed and commissioned on 14 October 1944.

World War II Pacific Ocean operations[edit | edit source]

YMS-470 operated along the east coast of the United States until March 1945. She then sailed to the South $3 and operated in the vicinity of New Caledonia and the New Hebrides until August. From there, the minesweeper moved north for duty at Okinawa and in Japan, in connection with post-war minesweeping and the occupation of Japan. YMS-470 returned to the United States in mid-April 1946 and, on 1 June, was decommissioned and placed in reserve at Stockton, California. While there, she was named USS Swan and redesignated AMS-37.

Post-war operations[edit | edit source]

In 1950, with the outbreak of hostilities in Korea, Swan was called back to active service. She was towed to the Bethlehem Pacific Coast Corp. yard at San Francisco, California, where she was recommissioned on 8 November 1950. For just over three years, the ship trained crews for minesweepers serving in the Far East. She operated with Mine Squadron 5 on the west coast, first as flagship of Mine Division (MinDiv) 55 and later of MinDiv 51. In January 1954, Swan was reassigned to MinDiv 45 of the Atlantic Fleet and home ported at the Minecraft Base in Charleston, South Carolina. A year later, she joined MinDiv 44 as a school ship at the Mine Warfare School at Yorktown, Virginia. She was redesignated MSC(O)-37 on 1 August 1955, and reported to the Florida Group, Atlantic Reserve Fleet for inactivation and decommissioning.

Decommissioning[edit | edit source]

USS Swan was decommissioned on 6 October 1955 and berthed at Green Cove Springs, Florida. Her name was struck from the Navy list on 1 November 1959, and she was sold to the General Motors Defense Research Laboratories at Santa Barbara, California, for conversion to a research vessel.

References[edit | edit source]

This article incorporates text from the public domain Dictionary of American Naval Fighting Ships. The entry can be found here.

External links[edit | edit source]

  • Photo gallery of Swan (PCS-1438/YMS-470/AMS-37/MSC(O)-37) at NavSource Naval History



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