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NavSource Online: Mine Warfare Vessel Photo Archive


Call sign:
Nan - Queen - George - Sugar

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 11 June 1943 by the Ballard Marine Railway Co., Inc, Seattle, WA
  • Launched 4 August 1943
  • Completed and commissioned USS YMS-333, 2 December 1943 under the command of LT J. C. Engle, USNR
  • Decommissioned in April 1946
  • Struck from the Navy Register 29 October 1946
  • Transferred to the War Shipping Administration 24 January 1947 and sold
  • Acquired in 1953 by Adalbert W. Haas of Seattle, WA and named Milotchka II
  • Out of documentation in 1986
  • Fate unknown.


  • Displacement 270 t.
  • Length 136'
  • Beam 24' 6"
  • Draft 8'
  • Speed 15 kts.
  • Complement 32
  • Armament: One 3"/50 dual purpose gun mount, two 20mm mounts, and two depth charge projectors
  • Propulsion: Two 880bhp General Motors 8-268A diesel engines, Snow and Knobstedt single reduction gear, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    YMS-333 174k 4 September 1943
    Ship's sponsor, Miss Betty Axtell, with party, at the launch ceremonies, Ballard Marine Railway Co., Seattle, WA
    Photo by Ray Krantz of Seattle
    U.S. Navy photo NH 88411
    Naval History and Heritage Command
    Photo added 8 February 2021
    USS YMS-333
    YMS-333 306k c. 1945 Edward Gaffney
    YMS-333 142k c. 1945
    Attu, Alaska
    YMS-333 197k c. 1945
    San Francisco Bay, CA
    Courtesy of D. M. McPherson, 1974
    Naval History and Heritage Command photo NH 79695
    Mike Green

    There is no DANFS History currently available for YMS-333
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    This page created and maintained by Joseph M. Radigan
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