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NavSource Online: Service Ship Photo Archive
USNS Mission San Antonio (T-AO-119)
International Radio Call Sign:
Mission San Antonio (AO-119) (1947 - 1949)
November - Hotel - Papa - Kilo
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
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
Displacement 5,532 t.(lt) 21,880 t.(fl)
Length 523' 6"
Draft 30' 10"
Speed 15.1 kts (trial)
17 US Navy Armed Guard
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
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
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|USNS Mission San Antonio (T-AO-119)
||USNS Mission San Antonio (T-AO-119) under way, date and location unknown.
| Merchant Service
||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
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
Last Updated 10 July 2015
This page is created and maintained by Gary P. Priolo|