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NavSource Online: Mine Warfare Vessel Photo Archive

Courtesy of Al Grazevich

Contributed by Mike Smolinski

Alacrity (AG 520)

Call sign:
November - November - Kilo - Sierra

Ability Class Minesweeper:

  • Laid down 5 March 1956 by Peterson Builders, Inc., Sturgeon Bay, WI
  • Launched, 8 June 1957
  • Commissioned USS Alacrity (MSO-520), 1 October 1958 at Boston Navy Yard, Charlestown, MA
  • Reclassified as a Miscellaneous Auxiliary, AG-520, 1 June 1973 and used for sonar testing
  • Decommissioned, 30 September 1977 at Charleston, SC
  • Struck from the Navy Register 30 September 1977
  • Sold for scrap 1 July 1978.


  • Displacement 934 t
  • Length 190'
  • Beam 36'
  • Draft 12'
  • Speed 15 kts.
  • Complement 83
  • Armament: One 40mm gun mount and two .50 cal. machine guns
  • Propulsion: Four General Motors diesel engines, two shafts, controllable pitch propellers.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Alacrity 174k . 102 Minesweeper
    Dick Lewis
    Alacrity 88k Off Charleston Naval Shipyard, 17 April 1959
    Naval Historical Center photo NH 96626
    Joe Radigan
    Alacrity 72k The sheer walls of Greece's Corinth Canal tower above Sixth Fleet ocean minesweeper USS Alacrity (MSO 520) as she makes her way from the Ionian Sea to Athens with other ships of Mine
    Division 45.
    U.S. Navy photo from the July 1961 issue of All Hands magazine
    Alacrity 107k c. 1964
    Valetta, Malta
    Photo by A. & J. Pavia from the 1964/1965 edition of Jane's Fighting Ships
    Robert Hurst
    Alacrity 460k 21 September 1971
    Departing La Spezia, Italy
    Carlo Martinelli

    Commanding Officers
    01LT Theodore Wesley Pstrak, USN1 October 1958 - 8 July 1960
    02LCDR John Thompson Wells, USN8 July 1960 - 15 July 1962
    03LCDR John Bishop Allen, USN15 July 1962 - 23 July 1964
    04LT Paul L. Gruendl, USN23 July 1964 - 16 September 1966
    05LCDR Henry George (Blaze) Vargo, USN16 September 1966 - 24 July 1968
    06LCDR William Francis Carey, USN24 July 1968 - 28 November 1969
    07LCDR James Brian Hitchborn, USN28 November 1969 - 29 May 1971
    08LT Billy Glen Taylor, USN29 May 1971 - 22 July 1972
    09LT Ronald Bryant Moser, USN22 July 1972 - 12 July 1974
    10LT Welbourne Frederick Bronaugh, Jr., USN1 2 July 1974 - 29 June 1976
    11LT William Cotesworth Keller, USN29 June 1976 - 30 September 1977
    Courtesy Wolfgang Hechler, Ron Reeves and Bill Gonyo

    View the Alacrity (MSO-520)
    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 Back to the Auxiliary Ship Index Back to the Miscellaneous Auxiliary (AG) Photo Index

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    This page created by Gary P. Priolo and maintained by Joe Radigan
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