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NavSource Online: Mine Warfare Vessel Photo Archive

AM / MSO-493 Stalwart


Aggressive Class Minesweeper: Laid down 22 June 1954 as (AM-493) at Boward Marine, Fort Lauderdale Fla.; Redesignated an Ocean Minesweeper MSO-493, 7 February 1955; Launched 3 December 1955; Commissioned USS Stalwart (MSO-493), 23 April 1957; Lost due to fire, 25 June 1966, San Juan Puerto Rico; Decommissioned 24 August 1966; Struck from the Naval Register 1 March 1957; Sold for scrapping in 1971 at Puerto Rico.

Specifications: Displacement 630 t.(lt), 755 t.(fl); Length 172'; Beam 35'; Draft 10'; Speed 14 kts; Complement 6 Officers, 74 Enlisted; 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, two shafts, two controllable pitch propellers.
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Size Image Description Source
Stalwart 69k - Douglas Rollings and
Al Hines
USS Adroit MSO-509 web site
Stalwart 19k - Al Hines
USS Adroit MSO-509 web site

View the Stalwart (MSO-493)
DANFS History entry located on the Haze Gray & Underway Web Site. The main archive for the DANFS Online Project.

Crew Contact And Reunion Information
U.S.Navy Memorial Foundation
Fleet Reserve Association

Additional Resources and Web Sites of Interest
102 Minesweepers (MSO) Oceangoing Minesweepers
Naval Minewarfare Association
Association of Minemen

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