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NavSource Online: Mine Warfare Vessel Photo Archive

Signet (MSF 302)

Call sign:
November - Quebec - Romeo - Uniform

Signet served the Navies of the United States and the Dominican Republic.

Admirable Class Minesweeper:

  • Laid down 8 April 1943 by Associated Shipbuilders, Seattle, WA
  • Launched 16 August 1943
  • Commissioned USS Signet (AM 302), 20 June 1944
  • Decommissioned in December 1945 at Orange, TX
  • Reclassified as a Fleet Minesweeper (Steel Hull), MSF-302, 7 February 1955
  • Struck from the Naval Register 1 January 1965
  • Transferred to the Dominican Republic 13 January 1965 and renamed Separacion (BM 454)
  • Renamed and reclassified Prestol Botello (C 454)
  • Placed out of service in 1999
  • Fate unknown.


  • Displacement 945 t.(fl)
  • Length 184' 6"
  • Beam 33'
  • Draft 9' 9"
  • Speed 14.8 kts.
  • Complement 104
  • Armament: One 3"/50 dual purpose mount, one twin 40mm gun mount, six 20mm gun mounts, one depth charge projector (hedgehog), four depth charge projectors (K-guns) and two depth charge tracks
  • Propulsion: Two 1,710shp 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
    Signet 103k c. November 1944 Roberta Hardie Gydosh
    Strategy 427k Moored astern of an unidentified minesweeper, Strategy (AM 308) and Shelter (AM 301). Other minesweepers are in the background
    From the collection of Thomas Jordan Cook, crewmember 1945 - 1946
    Kurt Cook

    Commanding Officers
    01LCDR Coburn Louis Grabenhorst, USNR20 June 1944 - 5 August 1945
    02LT Edmond Hamilton Gentry, USNR5 August 1945 - December 1945
    Courtesy of Wolfgang Hechler, Ron Reeves and R. A. Moody

    View the Signet (MSF 302)
    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 Fleet Minesweeper (MSF) Photo Index

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