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NavSource Online: Mine Warfare Vessel Photo Archive

Lance (AM 257)

Call sign:
Nan - George - Sugar - Dog

Lance served the Navies of the United States and the Republic of China.

Admirable Class Minesweeper:

  • Laid down 26 October 1942 by the American Shipbuilding Co., Lorain, OH
  • Launched 10 April 1943
  • Commissioned USS Lance (AM 257), 4 November 1943
  • Transferred 28 August 1945, on loan, to the Republic of China and renamed Yung Sheng (AM 43)
  • Transferred outright 7 February 1948
  • Struck from the Naval Register 12 March 1948
  • Decommissioned 1 July 1972
  • Fate unknown.


  • Displacement 945 t. (fl)
  • Length 184' 6"
  • Beam 33'
  • Draft 9' 9"
  • Speed 14.8 kts.
  • Complement 104
  • Armament: One 3"/50 cal. dual purpose mount, one twin 40mm gun mount, six 20mm gun mounts, one depth charge projector (hedgehogs), four depth charge projectors (K-guns), and two depth charge tracks
  • Propulsion: Two 855shp Cooper Bessemer GSB-8 diesel engines, National Supply Co. single reduction gear, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Lance (AM 257)
    Lance 110k Lance under construction, inboard of Jubilant (AM 255). Historical Collections of the Great Lakes
    Yung Sheng (AM 43)
    Lance 238k c. 1949. Chinese Navy
    Lance 258k .

    Commanding Officers
    01LT Robert Reginald Forrester, Jr., USNR4 November 1943 - 12 April 1944
    02LT Richard Charles Condon, USNR12 April 1944 - 12 April 1945
    03LT John Charles Ostrom, USNR12 April 1945 - 28 August 1945
    Courtesy of Wolfgang Hechler, Ron Reeves and R. A. Moody

    View the Lance (AM 257)
    DANFS History entry located on the Haze Gray & Underway Website
    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 Minesweeper (AM) Photo Index

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