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NavSource Online: Mine Warfare Vessel Photo Archive


Call sign:
Nan - Queen - Able - Zebra

YMS-323 served the Navies of the United States and South Korea

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 26 February 1943 by the Al Larson Boat Shop, Inc., Terminal Island, CA
  • Launched 15 July 1943
  • Commissioned USS YMS-323, 27 December 1943
  • Damaged by Japanese shore battery 18 June 1944 off Garapan, Saipan and again on 19 June 1944 off Tanapag Harbor, Saipan
  • Struck from the Naval Register 19 June 1946
  • Transferred to the State Department, Foreign Liquidation Commission in April 1947
  • Sold to South Korea 6 August 1947
  • Commissioned Guwolsan (YMS 512), 11 November 1947
  • 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
    No image of YMS-323 is available at this time

    Commanding Officers
    01LTJG G. B. Harrison, USNR1945
    Courtesy Joe Radigan

    There is no DANFS History currently available for YMS-323
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    This page created and maintained by Joseph M. Radigan
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