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NavSource Online: Mine Warfare Vessel Photo Archive

Courtesy of Al Grazevich

Pinnacle (MSO 462)

Call sign:
November - Juliet - Hotel - Juliet

Aggressive Class Minesweeper:

  • Laid down 24 August 1953 as AM-462 by Higgins Inc., New Orleans, LA
  • Launched 3 January 1955
  • Redesignated as an Ocean Minesweeper, MSO-462, 7 February 1955
  • Commissioned USS Pinnacle (MSO-462), 21 October 1955
  • Struck from the Naval Register 1 November 1977
  • Sold for scrapping 1 May 1978 by the Defense Reutilization and Marketing Service to C. B. Herter of Hopewell, VA, for $26,491.


  • 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 and 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.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Pinnacle 87k . 102 Minesweeper
    Dick Lewis
    Pinnacle 45k . Tom Sparkman
    Pinnacle 94k . Richard Miller, BMCS, USNR, Ret.
    Pinnacle 60k Moored to pier with Vanguard (T-AGM 19) Robert Hurst
    Pinnacle 70k c. 1957
    Underway in British waters
    Photo by Wright and Logan, Southsea, England from the 1958/1959 edition of Jane's Fighting Ships
    Pinnacle 392k c. 1960
    Breaking away from Terrebonne Parish (LST 1156) after highlining
    Nick Gardner, QM3, LST-1156 1959-61
    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)
    , Pinnacle and USS Sagacity (MSO 469)
    U.S. Navy photo from the April 1960 edition of All Hands magazine
    Joe Radigan
    Pinnacle 92k c. 1960
    Photo by Sktfotos from the 1960/1961 edition of Jane's Fighting Ships
    Robert Hurst
    Pinnacle 64k Photo courtesy of Roland Kelly, 1965 - 1966 Mediterranean Cruise Book Tom Lawson

    Commanding Officers
    01LT Orval Keith Hallam, USN21 October 1955 - March 1957
    03LCDR John Hoover, USN1957 - 1960
    05LCDR Franklin Laskowski, USN1960 - 1964
    06LCDR Thomas Durell Shear, USN1964 - 1965
    07LCDR Dudley Ray Overton, USN1965 - 1966
    08LCDR Arthur Taylor Ward, USN - USNA Class of 19511966 - 1967
    09LCDR James Allen Mace, USN1967 - 1969
    10LCDR Douglas William Simmons, USN1969 - 24 November 1970
    Courtesy Wolfgang Hechler and Ron Reeves

    View the Pinnacle (MSO-462)
    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 Ocean Minesweeper (MSO) Photo Index

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