WOODEN SHIPS & IRON MEN
Acme Class Minesweeper: Laid down 16 November 1954 as AM-508 at Frank L. Sample Inc., Boothbay Harbor,
Maine; Redesignated an Ocean Minesweeper, MSO-508, 7 February 1955; Launched, 23 June 1955; Commissioned USS Acme (MSO-508),
4 March 1957; Decommissioned, 6 November 1970 at Naval Inactive Ship Facility Long Beach, CA; Laid up in the Pacific Reserve
Fleet; Struck from the Naval Register, 15 May 1976; Sold for scrap 6 January 1977 by Defense Reutilization and Marketing Service
to Oskco Edwards of Capistrano Beach, CA. for $30,000.
Specifications: Displacement 633 t.(lt) , 750 t.(fl); Length 173'; Beam 36'; Draft 14'; Speed 14
kts; Complement 8 Officers, 70 Enlisted; Armament one 40mm gun mount, replaced with twin 20mm , two .50 cal. machine guns;
Propulsion, four Packard diesel engines, 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 VDS sonar. MSOs were capable of sweeping for moored, bottom contact, magnetic and acoustic mines.
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WOODEN SHIPS AND IRON MEN a book by CDR David D.Bruhn USN RET.The history of our MSO's from 1953
MSO BOOK LINK
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