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USS GALLANT MSO 489

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WOODEN SHIPS & IRON MEN

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Aggressive Class Minesweeper: Laid down as AM-489, 21 May 1953 at J. L. Martinac Shipbuilding Corp., Tacoma, Wash; Launched, 4 June 1954; Redesignated an Ocean Minesweeper, MSO-489, 7 February 1955; Commissioned USS Gallant (MSO-489), 14 September 1955; Decommissioned, 29 April 1994 and struck from the Naval Register; Sold to Taiwan 8 September 1994 under the Security Assistance Program as Yung Ku (M 1308). Fate unknown.
 
Specifications: Displacement 775 t; Length 172'; Beam 35'; Draft 12'; Speed 14 kts; Complement 78; Armament, as built, one single 40mm gun mount, two .50 cal. machine guns, final configuration, bow gun replaced by one twin 20mm gun mount, two .50 cal. machine guns remain; Propulsion, four Packard ID1700 diesel engines, replaced by four Waukasha Motors Co. diesels, two shafts, two controllable pitch propellers.
 
These new minesweepers were smaller and built primarily of wood , with bronze and stainless (non-magnetic) steel fittings to minimize their magnetic signature. All of the 1950 era MSOs had UQS-1 mine-locating sonar, later updated with SQQ-14 sonar. MSOs were capable of sweeping for moored, bottom contact, magnetic and acoustic mines.

 

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UPDATED:JUN 13 2008

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