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


AMS-66 served the Navies of France and Tunisia

Adjutant Class Motor Minesweeper:

  • Laid down in 1952 as AMS-66 by the Harbor Boat Building Co., Terminal Island, CA
  • Launched 12 April 1952
  • Completed 16 March 1953 and transferred to France as Aconite (M 640)
  • Reclassified by U. S. Navy as a Coastal Minesweeper, MSC-66, 7 February 1955
  • Renamed Marjolaine in 1966
  • Loaned to Tunisia in 1977 and renamed Sousse (M 640)
  • Scrapped in 1988.


  • Displacement 405 t.
  • Length 144'
  • Beam 27'
  • Draft 9'
  • Speed 14 kts.
  • Complement 40
  • Armament: Two twin 20mm mounts
  • Propulsion: Two 880shp General Motors 8-268A diesel engines, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    AMS-66 105k 12 April 1952
    Harbor Boat Building Company, Treasure Island, CA
    AMS 66, first minesweeper to be launched from a Los Angeles harbor yard since World War II, just as she became waterborne
    Joe Radigan
    Aconite (M 640)
    MSC-66 76k

    There is no DANFS history available for MSC-66
    Additional Resources and Websites 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 Motor Minesweeper (AMS) Photo Index Back to the Coastal Minesweeper (MSC) Photo Index

    Comments, Suggestions, E-mail Webmaster

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