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NavSource Online: Service Ship Photo Archive

Contributed by Al Grazevich

USS Interdictor (AGR-13)
USS Interdictor (YAGR-13) (1958)

International Radio Call Sign:
November - Victor - Victor - Bravo
JANAP Tactical Voice Radio Call Sign - Chariot (I)ndia - Section 6A of JANAP 119(F) 1968
Awards, Citations and Campaign Ribbons

National Defense Service Medal

Guardian Class Radar Picket Ship:
  • Laid down, 18 May 1945, as SS Edwin H. Duff, a Maritime Commission type (Z-EC2-S-C5) hull, under Maritime Commission contract (MCE hull 3142), at J. A. Jones Construction Co. Inc., Panama City, FL
  • Launched, 29 June 1945
  • Delivered, 27 July 1945, to the Maritime Commission, War Shipping Administration to be operated, by Waterman Steamship Corp, under contract
  • Returned to the Maritime Commission in 1947 for lay up in the National Defense Reserve Fleet
  • Re-activated in 1951 for commercial service
  • Returned to the Maritime Administration, 25 August 1953, for lay up in the National Defense Reserve Fleet
  • Acquired by the Navy, 5 June 1957
  • Converted to a Radar Picket Ship at Charleston Naval Shipyard, Charleston, S.C.
  • Commissioned, USS Interdictor (YAGR-13), 7 April 1958, at Charleston Naval Shipyard, LCDR. Joseph P. Dordahl USNR in command
  • Redesignated (AGR-13), 28 September 1958
  • Decommissioned, 5 August 1965
  • Struck from the Naval Register, 1 September 1965 and transferred to the Maritime Commission for lay up in the National Defense Reserve Fleet, Suisun Bay, Benecia CA.
  • Final Disposition, 13 June 1974, sold for non-transportation use to a Portland OR. buyer, fate unknown
    Displacement 11,365 t.(fl)
    Length 441'
    Beam 59'
    Draft 22'
    Speed 11 kts.
    Complement 13 officers, 138 enlisted
    Armament two 3"/50 guns
    Fuel Oil, 443,646 gals.
    Diesel, 68,267 gals.
    Fresh Water, 15,082 gals.
    Ballast, 1,326,657 gals fresh water
    Two 220 PSI boilers
    Filer & Stowell Co., of Milwaukee, WI. three cylinder triple-expansion reciprocating engine,
    Single 4 blade, 18' 6" propeller
    Shaft Horsepower, 2,500
    Two electric generators

    Click On Image
    For Full Size Image
    Size Image Description Contributed By /
    SS Edwin H. Duff
    Interdictor 109k SS Edwin H. Duff on the building ways ready for launch at J. A. Jones Construction Co. Inc., Panama City, FL., 29 June 1945. David Nixon
    USS Interdictor (AGR-13)
    Interdictor 81k USS Interdictor (AGR-13) underway, date and location unknown.
    US Navy photo.
    Robert M. Cieri
    Interdictor 25k USS Interdictor (AGR-13) underway, date and location unknown. Bill Bossert USS Tracer
    Interdictor 70k USS Interdictor (AGR-13) moored pierside, date and location unknown. David Nixon

    USS Interdictor (YAGR-13 / AGR-13)
    Dictionary of American Naval Fighting Ships (DANFS)
    Commanding Officers
    01LCDR. Dordahl, Joseph Palmer, USNR7 April 1957 - 20 November 1959YAGR-13/AGR-13
    02LCDR. Allison, Cecil George, USN20 November 1959 - 4 January 1963AGR-13
    03LCDR. Henry, George Loran, USN4 January 1963 - 19 February 1965AGR-13
    04LCDR. Creighton, Percy Frank, USN19 February 1965 - 5 August 1965AGR-13
    Courtesy Wolfgang Hechler and Ron Reeves

    Crew Contact And Reunion Information
    U.S. Navy Memorial Foundation - Navy Log

    Additional Resources and Web Sites of Interest
    MARAD Vessel History Data Base
    YAGR's (Radar Picket Ships) Association
    Online Air Defense Radar Museum
    Back To The Main Photo Index Back To The Service Ship Type Index Back To The Radar Picket Ship (AGR) Photo Index
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    This page is created and maintained by Gary P. Priolo
    All pages copyright NavSource Naval History
    Last Updated 9 October 2015