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NavSource Online: Mine Warfare Vessel Photo Archive

Sway (AM / MSF-120)



Call sign:
November - Bravo - Juliet - Papa



Sway served the Navies of the United States and Mexico.

Auk Class Minesweeper: Laid down, 18 November 1941 by the John H. Mathis Co., Camden, NJ; Launched, 29 September 1942; Commissioned USS Sway (AM 120), 20 July 1943; Placed in reserve, in commission, 22 February 1946 at San Diego, CA; Placed out of commission, 15 January 1947; Reclassified Fleet Minesweeper (Steel-hulled) MSF-120, 7 February 1955; Struck from the Naval Register, 1 July 1972 and transferred to Mexico; Renamed Ignacio Altamirano
(G 12)
; Reclassified P-111, (date unknown). Fate unknown.

Specifications: Displacement 890 t.; Length 221' 3"; Beam 32'; Draft 10' 9"; Speed 18 kts; Complement 105; Armament one single 3"/50 gun mount, two twin 40mm gun mounts, two single 20mm gun mounts, two depth charge tracks, five depth charge projectiles; Propulsion General Motors diesels, 2,070shp, two shafts.


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Size Image Description Source
Sway 81k . Max E. Wolters, RM 2/C
Sway 65k Sway's scorecard. Max E. Wolters, RM 2/C
Sway 64k ARM Ignacio Manuel Altamirano (P 111)
Mexican Navy Photo
Mexican Navy

View the Sway (AM 120)
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
Naval Minewarfare Association
Association of Minemen
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