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NavSource Online: Service Ship Photo Archive

USNS Mission San Antonio (T-AO-119)
ex
Mission San Antonio (AO-119) (1947 - 1949)

International Radio Call Sign:
November - Hotel - Papa - Kilo
NHPK
Awards, Citations and Campaign Ribbons

National Defense Service Medal

Mission Buenaventura Class Fleet Oiler:
  • Laid down, 15 January 1944, as a Maritime Commission type (T2-SE-A2) tanker hull under Maritime Commission contract (MC hull 1816) at Marinship Corp., Sausalito, CA.
  • Launched, 8 April 1944
  • Chartered, 24 May 1944, to Los Angeles Tankers Operations, Inc.
  • Returned to the Maritime Commission, 30 April 1945, for lay up in the National Defense Reserve Fleet, Mobile, AL.
  • Acquired by the US Navy, 22 October 1947 and assigned to the Naval Transportation Service (NTS) as Mission San Antonio (AO-119)
  • Assigned to the Military Sea Transportation Service (MSTS), 1 October 1949, and placed in service as USNS Mission San Antonio (T-AO-119)
  • Placed out of service, 22 November 1954
  • Returned to the Maritime Administration for lay up in the National Defense Reserve Fleet, James River, Lee Hall, VA.
  • Reacquired by the Navy, 6 July 1956 and placed in service under MSTS control
  • Placed out of service, 16 December 1959
  • Returned to the Maritime Administration, 11 November 1957, for lay up in the National Defense Reserve Fleet, Beaumont, TX.
  • Reacquired by the Navy 9 June 1960 and placed in service under MSTS control
  • Placed out of service, 11 January 1965
  • Returned to the Maritime Administration for lay up in the National Defense Reserve Fleet, James River, Lee Halls, VA.
  • Struck from the Naval Register 11 January 1965
  • Merchant Service
    Sold, 9 June 1965 to Florida Waterways Corp. for conversion to a bulk carrier, (MARAD contract PD-X-692 of 29 April 1965 for $411.000.00) renamed SS Transarctic
    Sold to Hudson Waterways Corp., 24 January 1966, for conversion to a combination train ferry and containership.
    SS Transarctic was renamed SS Seatrain San Juan in September 1966
    Sold, 30 June 1972, to Tyler Tanker Corp.
    Returned to MARAD, 20 November 1973, for lay up in the National Defense Reserve Fleet, James River Group, Lee Hall, VA.
    Renamed SS San Juan, 8 August 1978
    Final Disposition, sold for scrapping, 26 October 1983, to Isaac Manuel Varela Davillo, Spain
    Specifications:
    Displacement 5,532 t.(lt) 21,880 t.(fl)
    Length 523' 6"
    Beam 68'
    Draft 30' 10"
    Speed 15.1 kts (trial)
    Complement
    52 CivMar
    17 US Navy Armed Guard
    Armament
    one single 5"/38 dual purpose gun mount
    four single 3"/50 dual purpose gun mounts
    four twin 40mm AA gun mounts
    four twin 20mm AA gun mounts
    Cargo Capacity 15,300DWT
    Oil 120,400 Bbls
    Gasoline 575,000 Gals
    Fuel Capacity NSFO 9,235 Bbls
    Propulsion
    one General Electric turbo-electric engine
    two Babcock and Wilcox D-type boilers, 600psi 825°

    Ship's Service Generators
    two turbo-drive 400Kw 450V A.C.
    two turbo-drive 85Kw 120V D.C.
    two turbo-drive 55Kw 120V D.C.
    one turbo-drive 50Kw 450V A.C.
    single propeller, 10,000shp

    Click On Image
    For Full Size Image
    Size Image Description Contributed
    By
    USNS Mission San Antonio (T-AO-119)
    Mission San Antonio 708k USNS Mission San Antonio (T-AO-119) under way, date and location unknown. David Buell
    Merchant Service Seatrain Corp.
    Mission San Antonio 385k Ex-USNS Mission San Antonio (T-AO-119) as the Seatrain-container carrier SS Seatrain San Juan moored pierside, date and location unknown.
    Photo ©William Schell
    Gerhard Mueller-Debus

    USNS Mission San Antonio (T-AO-119)
    Dictionary of American Naval Fighting Ships (DANFS)
    Crew Contact And Reunion Information
    Fleet Tankers Association
    U.S. Navy Memorial Foundation - Navy Log

    Additional Resources and Web Sites of Interest
    MARAD Vessel History Data Base
    Back To The Navsource Photo Archives Main Page Back To The Service Force Ship Type Index Back To The Fleet Oiler (AO) Photo Index
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    This page is created and maintained by Gary P. Priolo
    All pages copyright NavSource Naval History
    Last Updated 10 July 2015