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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
  • Reclassified 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
    Joseph M. Radigan (of blessed memory)
    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 - 9 March 1957
    02LCDR Donald Richard Cottingham, USN9 March 1957 - 1959
    03LCDR John Robert Hoover, USN1959 - 2 January 1961
    04LCDR Franklin Emil Laskowski, USN2 January 1961 - 1963
    05LCDR Thomas Durell Shearer, USN1963 - 17 July 1964
    06LCDR Arthur Taylor Ward, USN - USNA Class of 195117 July 1964 - 9 August 1965
    07LT/LCDR Dudley Ray Overton, USN9 August 1965 - 1967
    08LCDR James Allen Mace, USN1967 - 15 November 1969
    09LT/LCDR Douglas William Simmons, USN15 November 1969 - 24 November 1970
    ??LCDR John Hoover, USN
    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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