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NavSource Online: Mine Warfare Vessel Photo Archive


Call sign:
Nan - Fox - Roger - Uncle

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 11 May 1942 by the Bellingham Marine Railway and Boat Building Co., Bellingham, WA
  • Launched 7 September 1942
  • Completed, commissioned USS YMS-270, 25 March 1943 and assigned to the Pacific Fleet
  • Participated in the invasion of Guam in July 1944
  • Decommissioned 1 May 1946
  • Transferred to the War Shipping Administration in March 1947
  • Struck from the Naval Register 10 June 1947
  • Registered in 1949 to Raymond Lendten of Wauna, OR as the tugboat Pauline out of Astoria, OR
  • Registered in 1954 to Beaufort Fisheries, Inc. of Beaufort, NC as the fishing boat Pauline out of Beaufort
  • Out of documentation in 1984
  • Fate unknown.


  • Displacement 270 t.
    1949 - 252 t.
    1954 - 249 t.
  • Length 136'
    1949 - 126.3'
  • Beam 24' 6"
    1949 - 25'
  • Draft 8'
    1949 - 11.3'
  • Speed 15 kts.
  • Complement 32
    1949 - Six
  • 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-270 137k c. 1945
    San Francisco Bay, CA
    Courtesy of Donald McPherson, 1976
    Naval History and Heritage Command photo NH 84974
    Mike Green

    Commanding Officers
    01LT Douglas W. Marden, USNR26 March 1943
    02LTJG I. E. Campbell, USNR1945
    Courtesy Joe Radigan

    There is no DANFS History currently available for YMS-270
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    This page created and maintained by Joseph M. Radigan (of blessed memory) & Michael Mohl
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