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

Harlequin (MSF 365)

Call sign:
November - Hotel - Zulu - Juliet

Harlequin served the Navies of the United States and Mexico.

Admirable Class Minesweeper:

  • Laid down 3 August 1943 by the Willamette Iron and Steel Corp., Portland, OR
  • Launched 3 June 1944
  • Commissioned USS Harlequin (AM 365), 31 August 1945
    Naval Vessel Register of 1 January 1949 lists plan for decommissioning and placing in reserve as December 1945
  • Decommissioned 27 May 1946 at Orange, TX
  • Reclassified as a Fleet Minesweeper (Steel Hull), MSF-365, 7 February 1955
  • Struck from the Naval Register 1 May 1962
  • Sold 2 October 1962 to Mexico and renamed ARM DM-20
  • Converted to an Oceanographic Research Vessel in 1978 and renamed ARM Oceanográfico (H 02)
  • Renamed and reclassified ARM General Pedro María Anaya (A 08) in 1993
  • Converted to a School Ship in 1999, renamed and reclassified ARM Aldebaran (BE 02)
  • Still active as of 2007.


  • Displacement 945 t.
  • Length 184' 6"
  • Beam 33'
  • Draft 9' 9"
  • Speed 14.8 kts.
  • Complement 104
  • Armament: One 3"/50 dual purpose gun mount, two twin 40mm gun mounts, six 20mm gun mounts, one depth charge projector (hedgehog), four depth charge projectors (k-guns), and two depth charge tracks
  • Propulsion: Two 1,710shp Busch Sulzer 539 diesel engines, Farrel Birmingham single reduction gear, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    No image of Harlequin (MSF 365) is available at this time

    Commanding Officers
    01LT Henry Robert Darling, USNR28 September 1945 - 1 November 1945
    02LT Glen Charles Wilkinson, USNR1 November 1945 - 17 December 1945
    03LTJG Thomas Kenneth Hendrick, USNR17 December 1945 - 27 May 1946
    Courtesy of Wolfgang Hechler and Ron Reeves

    View the Harlequin (MSF 365)
    DANFS History entry located on the Haze Gray & Underway Website
    Additional Resources and Web Sites of Interest
    Naval Minewarfare Association
    Association of Minemen
    Back To The Main Photo Index Back To the Mine Warfare Ship Photo Index Back to the Fleet Minesweeper (MSF) Photo Index

    Comments, Suggestions, E-mail Webmaster

    This page created and maintained by Joseph M. Radigan
    All pages copyright NavSource Naval History