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NavSource Online: Mine Warfare Vessel Photo Archive

Courtesy of Al Grazevich

Sagacity (MSO 469)

Call sign:
November - Juliet - Juliet - Sierra

Aggressive Class Minesweeper:

  • Laid down 6 October 1952 by the Luders Marine Construction Co., Stamford, Conn.
  • Launched, 26 February 1954
  • Commissioned USS Sagacity (AM-469), 20 January 1955
  • Reclassified as an Ocean Minesweeper, MSO-469, 7 February 1955
  • Decommissioned and struck from the Navy Register 1 October 1970
  • Sold for scrap in 1971 to Steve B. Clemens of Miami, Fla. for $7,890.


  • Displacement 630 t.(lt), 755 t.(fl)
  • Length 172'
  • Beam 35'
  • Draft 10'
  • Speed 14 kts.
  • Complement 80
  • Armament as built: One 40mm gun mount, two .50 cal. machine guns. 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.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Sagacity (MSO 469)
    Sagacity 311k 11 January 1955
    National Archives photo ARC Identifier 6933277 from the Bureau of Ships collection
    Robert Hurst
    USS Sagacity (MSO 469)
    Sagacity 11k Dick Lewis
    102 Minesweepers Website
    Sagacity 42k Approaching USS Walworth County (LST 1164) for underway replenishment USS Walworth County (LST 1164) Website
    Sagacity 45k Highlining with USS Walworth County (LST 1164)
    Sagacity 52k Taking on fresh water from USS Walworth County (LST 1164)
    Nimble 56k . Richard Miller, BMCS, USNR, Ret.
    Nimble 95k
    Nimble 382k These minesweepers look smart and sturdy as they execute coordinated movements in training. Shown are USS Skill (MSO 471), USS Nimble (MSO 459), USS Pinnacle (MSO 462) and Sagacity.
    U.S. Navy photo from the April 1960 edition of All Hands magazine
    Joe Radigan
    Sagacity 380k 17 March 1968
    Genoa, Italy
    Moored alongside Skill (MSO 471)
    Carlo Martinelli
    Sagacity 414k
    Sagacity 297k c. March 1970
    Deteyn's Shipyard, Wando, SC
    Damages sustained from grounding at Charleston
    U.S. Navy photos
    Tommy Trampp
    Sagacity 302k
    Sagacity 292k
    Sagacity 314k
    Sagacity 267k

    Commanding Officers
    01LT Henry Martin Berry, USN20 January 1955 - 1956
    03LT Clarence Earl Boger, USN1957 - January 1958
    04LCDR Krozier, USNJanuary 1958 - March 1962
    05LT Warren Reginald Ellsworth, Jr., USN - USNA Class of 1957March 1962 - 1964
    06LCDR Kurt Sorensen, USN1964 - March 1966
    07LCDR Robert Nelson, USNMarch 1966 - July 1967
    09LCDR Rogers, USN1969 - March 1970
    Courtesy Wolfgang Hechler and Ron Reeves

    View the Sagacity (MSO-469)
    DANFS History entry located on the Haze Gray & Underway Website
    Back To The Main Photo Index Back To the Mine Warfare Ship Photo Index Back to the Minesweeper (AM) Photo Index

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