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USNS Mission San Carlos (T-AO-120)
ex
Mission San Carlos (AO-120) (1947 - 1949)

International Radio Call Sign:
November - Hotel - November - Zulu
NHNZ
Awards, Citations and Campaign Ribbons

Precedence of awards is from left to right
National Defense Service Medal


Mission Buenaventura Class Fleet Oiler:
  • Laid down, 1 November 1943, as a Maritime Commission type (T2-SE-A2) tanker hull under Maritime Commission contract (MC 1279) at Marinship, Sausalito, CA
  • Launched, 12 February 1944
  • Delivered to the Maritime Commission, 15 April 1944 and chartered to Pacific Tankers, Inc for the remainder of World War II
  • Returned to the Maritime Commission, 20 April 1946
  • Laid up in the National Defense Reserve Fleet, Mobile, AL.
  • Acquired by the US Navy, 12 November 1947, operated by Marine Transport Inc. and placed in service by the Naval Transportation Service (NTS) as Mission San Carlos (AO-120)
  • Operational control transferred to the Military Sea Transportation Service (MSTS) 1 October 1949 and placed In-service as USNS Mission San Carlos (T-AO-120)
  • Placed out of service, 6 November 1957 and laid up in the National Defense Reserve Fleet, Beaumont, TX.
  • Struck from the Naval Register, 6 November 1957
  • Sold to Transwestern Associates, 16 May 1966, renamed SS Seatrain Maryland
  • Resold to Hudson Waterways Corp., September 1966, name retained
  • Converted to a Vehicleship in April 1967
  • Reacquired by the Maritime Administration (MARAD), 30 December 1972, renamed SS Maryland
  • Final Disposition, fate unknown
    Specifications:
    Displacement 5,532 t(lt) 21,880 t.(fl)
    Length 524'
    Beam 68'
    Draft 30' (max)
    Speed 16.5 kts.
    Complement 52
    Armament none
    Propulsion Turbo-electric, single screw, 6000hp

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    USNS Mission San Carlos (T-AO-120)
    Mission San Carlos 1242k USNS Mission San Carlos (T-AO-120) underway in the harbor at San Pedro CA., date unknown. David Buell
    BB-44 California 138k Reserve Fleet Basin, Philadelphia Naval Shipyard, Pennsylvania. Photographed on 19 May 1955 with numerous cruisers, escort carriers, and auxiliaries in reserve. The nearest ship is the never-completed
    Hawaii (CB-3), which lacks her previously-installed three 12" gun turrets.
    The cruisers outboard of Hawaii are (in unknown order)
    Honolulu (CL-48),
    Columbia (CL-56),
    Denver (CL-58),
    Galveston (CL-93), and
    Portsmouth (CL-102).
    To their left are
    Tranquility (AH-14),
    Sanctuary (AH-17), and
    Pocono (AGC-16).
    Behind Hawaii (from left to right) are
    Montpelier (CL-57),
    Houston (CL-81),
    Huntington (CL-107),
    Savannah (CL-42),
    Cleveland (CL-55), and
    Wilkes-Barre (CL-103).
    Beyond them (from left to right) are
    Wichita (CA-45),
    Oregon City (CA-122),
    Chester (CA-27), and
    New Orleans (CA-32).
    The cruisers on the left side of the basin (from front to rear) are
    Minneapolis (CA-36),
    Tuscaloosa (CA-37),
    San Francisco (CA-38),
    Augusta (CA-31),
    Louisville (CA-28), and
    Portland (CA-33).
    Among the other ships in reserve in the basin are
    Fomalhaut (AE-20),
    Webster (ARV-2),
    Albemarle (AV-5),
    Tangier (AV-8),
    Pocomoke (AV-9),
    Chandeleur (AV-10),
    Abatan (AW-4),
    Mission San Carlos (AO-120),
    Prince William (CVE-31),
    Anzio (CVE-57),
    Block Island (CVE-106),
    Palau (CVE-122), and
    San Carlos (AVP-51).
    Moored in the shipyard at the extreme left are
    Tennessee (BB-43),
    California (BB-44), and
    Cabot (CVL-28).
    US Navy Photo # 80-G-668655, now in the collections of the US National Archives.
    Robert Hurst
    Commercial Service
    Mission San Carlos 339k Ex-USNS Mission San Carlos (T-AO-120) rebuilt as the heavy lifter SS Seatrain Maryland moored pierside, date and location unknown.
    Possibly © US Maritime Historian Wm. Schell.
    Gerhard Mueller-Debus

    USNS Mission San Carlos (T-AO-120)
    DANFS history entry located at the US Naval History and Heritage Command
    Crew Contact And Reunion Information
    Fleet Tankers Association
    U.S. Navy Memorial Foundation - Navy Log

    Additional Resources and Web Sites of Interest

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    This page is created and maintained by Gary P. Priolo
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    Last Updated 29 March 2013