Please report any broken links or trouble you might come across to the Webmaster. Please take a moment to let us know so that we can correct any problems and make your visit as enjoyable and as informative as possible.

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, USN1966 - 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
    Additional Resources and Web Sites of Interest
    102 Minesweepers (MSO) Oceangoing Minesweepers
    Naval Minewarfare Association
    Association of Minemen
    Back To The Main Photo Index Back To the Mine Warfare Ship Photo Index Back to the Ocean Minesweeper (MSO) Photo Index

    Comments, Suggestions, E-mail Webmaster

    This page created by Gary P. Priolo and maintained by Joe Radigan
    All pages copyright NavSource Naval History