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NavSource Online: Service Ship Photo Archive


International Radio Call Sign:
November - Yankee - Tango - November
Awards, Citations and Campaign Ribbons

Precedence of awards is left to right
American Campaign Medal - World War II Victory Medal

District Patrol Craft
  • Built by Marine Ways, Seattle, WA
  • Completed for Andrew Peterson, Seattle, WA, as halibut fishing vessel Foremost (ON 223964), 1924
  • Registered to Marcus Ness, Ketchikan, AK, circa 1939
  • Acquired by the US Navy, 11 December 1941
  • Placed in service as YP-251, 31 December 1941
  • Crewed by U.S. Coast Guard personnel, 31 December 1941 - 24 October 1945
  • Assigned to 17th Naval District, Northwestern Sea Frontier and Alaskan Sea Frontier
  • Operated out of Ketchikan, Alaska, on patrol duties, 1941 - 1945
  • With USCGC McLane (WSC-146) attacked and claimed sinking a Japanese submarine off Cape Ommaney, 09 July 19421
  • Placed out of service, date unknown
  • Struck from the Naval Register, 24 October 1945
  • Transferred to WSA (War Shipping Administration), 18 March 1946
  • Registered as Foremost to Robert Prothero, Seattle, WA, 1946
  • Registered to Manson F. Backus, executor of estate of LeRoy M. Backus, Seattle, WA, 1950
  • Renamed Le Roy, 1954
  • Sold to Alvin Osterback, Sand Point, AK, 1957
    1.Though supposedly "confirmed" postwar as the Japanese submarine RO-32, this unit had been stricken 01 Apr 1942 and on this date was a stationary training hulk at the submarine school at Otake. It is unknown what submarine, if any, was attacked on this date. Both COs, LT Neils P. Thomsen, USCG, of YP-251, and LT Ralph Burns, USCG, of McLane received the Legion of Merit for this action.
    Displacement 82 gross tons, 66 net tons
    Length 79' 8"
    Beam 18' 5"
    Draft 8' 2"
    Speed unknown
    Complement unknown
    Armament unknown
    one Diesel engine
    single propeller, 165shp

    Click On Image
    For Full Size Image
    Size Image Description Source
    YP-251 166k Foremost as completed, 1924.
    Photo from Pacific Fisherman, August 1924.
    Joe Radigan MACM USN Ret.

    There is no DANFS history record available for YP-251 at NavSource
    Crew Contact And Reunion Information
    U.S. Navy Memorial Foundation - Navy Log
    Account of attack on Japanese submarine

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    This page is created and maintained by David L. Wright
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    Last Updated 11 February 2021