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NavSource Online: Mine Warfare Vessel Photo Archive

Penetrate (MSF 271)

Call sign:
Nan - Peter - Tare - Xray

Penetrate served the Navies of the United States and the Soviet Union

Admirable Class Minesweeper:

  • Laid down 5 January 1943 by the Gulf Shipbuilding Co., Chickasaw, AL
  • Launched 11 September 1943
  • Commissioned USS Penetrate (AM 271), 31 March 1944
  • Decommissioned 21 May 1945 at Cold Bay, AK
  • Transfered to the Soviet Union 22 May 1945 and reclassified T-280
  • Assigned to the Pacific Fleet 27 June 1945Transferred 24 June 1947 to the Ministry of Transport and converted to a whaling vessel
  • Named Typhoon 7 August 1948
  • Reclassified by U.S. Navy as a Fleet Minesweeper (Steel Hull), MSF-271, 7 February 1955
  • Scrapped in the early 1960s.


  • 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
    Bobolink 115k Belle Īle, France Tommy Trampp
    Bobolink 62k Looking down on the forecastle
    Bobolink 29k Open bridge

    Commanding Officers
    01LT Morris Samuel Lazaron, Jr., USNR31 March 1944 - 21 May 1945
    Courtesy of Wolfgang Hechler, Ron Reeves and R. A. Moody

    View the Penetrate (MSF 271)
    DANFS History entry located on the Haze Gray & Underway Website
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