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NavSource Online: Mine Warfare Vessel Photo Archive


Call sign:
Nan - Xray - Able - Mike

YMS-143 served the Navies of the United States and the Soviet Union.

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 20 April 1942 by the San Diego Marine Construction Co., San Diego, CA
  • Launched 30 June 1942
  • Completed 16 February 1943
  • Commissioned USS YMS-143
  • Transferred to the Soviet Union 17 May 1945 under Project Hula and reclassified T-522
  • Assigned to the Pacific Fleet 5 June 1945
  • Took part in the Soviet conquest between 11 - 25 August 1945 of the Japanese province of Karafuto on southern Sakhalin Island
  • Placed out of service 15 April 1955 and laid up
  • Struck from the Soviet Navy list 11 July 1956 and scrapped.


  • Displacement 245 t. (lt), 338 t. (fl)
  • Length 136'
  • Beam 24' 6"
  • Draft 8' 7"
  • Speed 14.1 kts.
  • Complement 57
  • Armament: One 3"/50 dual purpose gun mount, one 20mm gun mount, four depth charge projectors, one depth charge projector (hedgehog), and two depth charge tracks
  • 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-143 96k c. February 1943
    National Archives photo
    Joe Radigan

    Commanding Officers
    01LT R. S. Wagner, USNR1945
    Courtesy Joe Radigan

    There is no DANFS history available for YMS-143
    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 Auxiliary Motor Minesweeper (YMS) Photo Index

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    This page created and maintained by Joseph M. Radigan
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