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NavSource Online: Service Ship Photo Archive
USNS Mission San Miguel (T-AO-129)
International Radio Call Sign:
Mission San Miguel (AO-129) (1947 - 1949)
November - Hotel - Romeo - Yankee
Awards, Citations and Campaign Ribbons
Precedence of awards is from top to bottom, left to right
Top Row - National Defense Service Medal
Bottom Row - Korean Service Medal - United Nations Service Medal - Republic of Korea War Service Medal (retroactive)
Mission Buenaventura Class Fleet Oiler:
Laid down, 11 August 1943, as a Maritime Commission type (T2-SE-A2) tanker hull, under Maritime Commission contract (MC 1273) at Marinship, Sausalito, CA;
Launched, 31 October 1943
Delivered to the WSA, 19 February 1944 for charter to Pacific Tankers, Inc.
Returned to the Maritime Commission, 20 May 1946, for lay up in the National Defense Reserve Fleet, Mobile, AL.
Acquired by Navy, 4 November 1947, and assigned to the Naval Transportation Service (NTS) as Mission San Miguel (AO-129) to be operated under a charter by
American Pacific Steamship Co.
Operational control transferred to the Military Sea Transportation Service, 1 October 1949
Redesignated USNS Mission San Miguel (T-AO-129)
Placed out of service, 22 March 1950
Laid up in the Pacific Reserve Fleet, San Diego, CA.
Placed in service, 24 July 1950 under Military Sea Transportation Service (MSTS) control as Mission San Miguel (T-AO-129)
Placed out of service, 28 May 1954, and laid up in the Pacific Reserve Fleet, San Diego
Reactived and assigned to MSTS, 1 November 1956
Ran aground, 8 October 1957, on Maro Reef, Hawaiian Islands
Final Disposition, declared unfit for further naval service or salvage
Struck from the Naval Register, 20 December 1957
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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For Full Size Image
|War Shipping Administration - SS Mission San Miguel
||SS Mission San Miguel under construction on Way # 3 at Marinship Corp. Sausalito, CA., 79 days after keel laying.
US Maritime Commission
photo by Marinship courtesy Auke Visser's Famous T - Tankers Pages.
||SS Mission San Miguel launching and Christening ceremony, 31 October 1943, Marinship, Sausalito, CA.
||SS Mission San Miguel fitting out, 26 November 1943, 27 days after launching
US Maritime Commission by Marinship
photo courtesy Auke Visser's Famous T - Tankers Pages.
|USNS Mission San Miguel (T-AO-129)
||USNS Mission San Miguel (T-AO-129) stranded on Maro Reef, Hawaii, on or after 8 Oct 1957. She is stuck fast and breaking up. The vessels
45 man crew fought for more than 24 hours to the ship, but removed after it became apparent their efforts were futile.
United Press Telephoto of 12 October 1957 from a US Navy photo.
USNS Mission San Miguel (T-AO-129)
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 29 June 2018
This page is created and maintained by Gary P. Priolo|