USNS Mission San Diego

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USNS Mission San Diego (T-AO-121) underway off Long Beach, California, date unknown
History
Builder: Marinship Corporation, Sausalito, California
Laid down: 20 December 1943
Launched: 14 March 1944
Acquired: 30 April 1944
Struck: 16 October 1957
Fate: Scrapped
General characteristics
Class and type: Mission Buenaventura-class oiler
Displacement:
  • 5,532 long tons (5,621 t) light
  • 21,880 long tons (22,231 t) full
Length: 524 ft (160 m)
Beam: 68 ft (21 m)
Draft: 30 ft (9.1 m)
Propulsion: Turbo-electric, single screw, 6,000 hp (4.47 MW)
Speed: 16.5 knots (30.6 km/h; 19.0 mph)
Complement: 52
Armament: None

SS Mission San Diego was a Type T2-SE-A2 tanker built for the United States Maritime Commission during World War II. After the war she was acquired by the United States Navy as USS Mission San Diego (AO-121). Later the tanker transferred to the Military Sea Transportation Service as USNS Mission San Diego (T-AO-121). She was a member of the Mission Buenaventura-class oiler and was named for the Mission San Diego de Alcalá.

Career[edit]

Originally laid down as SS Mission San Diego was on 20 December 1943, as a Maritime Commission type (T2-SE-A2) tanker hull under Maritime Commission contract (MC hull 1814) by Marine Ship Corporation, Sausalito, California; launched on 14 March 1944, sponsored by Mrs. E. J. Rising; and delivered on 30 April 1944.

Chartered to Deconhill Shipping Co. upon delivery for operations, she spent the remainder of the war carrying fuel to allied forces overseas in the Pacific (during which time she was awarded the National Defense Service Medal). She was returned to the Maritime Commission on 29 March 1946 and laid up in the Maritime Reserve Fleet at Suisun Bay, California.

Acquired by the Navy on 17 October 1947 she was designated Mission San Diego (AO‑121) and placed under the operational control of the Naval Transportation Service. After 1 October 1949 she was transferred to the newly created Military Sea Transportation Service (MSTS) for duty as USNS Mission San Diego (T‑AO‑121). She served with MSTS until 30 December 1954 when she was returned to the Maritime Administration (MARAD) and laid up in the Maritime Reserve Fleet at Olympia, Washington. She was struck from the Naval Vessel Register on 22 June 1955. Reacquired by the Navy on 3 July 1956 she was placed in service with MSTS, but served only until 16 October 1957 when she was returned to MARAD and laid up in the Maritime Reserve Fleet at James River, Virginia. She was again struck from the Naval Vessel Register that same date.

The ship was sold to the Hudson Waterways Corporation on November 10, 1966 and renamed Seatrain Washington. She was subsequently lengthened using sections of two other T2 tankers, the Tomahawk and Mission San Jose, and rebuilt by Maryland Shipbuilding and Drydock Company into one of seven Seatrain Lines multi-purpose cargo ships capable of carrying general bulk and palletized cargo, intermodal containers, vehicles and rail cars. Upon completion of the conversion and delivery in 1967 Seatrain Washington, IMO 6704488, was chartered to the MSTS in support of overseas U.S. military operations, including the transport of material, equipment and aircraft to Vietnam. The ship was transferred to the National Defense Reserve Fleet (James River) in August 1975 and on May 27, 1977 her name was changed to just Washington. The ship was retired and broken up in 2001.[1]

References[edit]

This article incorporates text from the public domain Dictionary of American Naval Fighting Ships.

  • "Mission San Diego". Dictionary of American Naval Fighting Ships. Retrieved April 2, 2006. 
  • "T-AO-121 Mission San Diego". Fleet Oiler (AO) Photo Index. Retrieved July 13, 2007. 
  • Hendrickson, David; From Boxcars to Boxships: The Ships of Seatrain Lines; Steamboat Bill No.254, 2005, pp. 89-102, Steamship Historical Society of America.

External links[edit]

  • Photo gallery of Mission San Diego (AO-121) at NavSource Naval History


  1. ^ Hendrickson; Steamboat Bill No.254 2005, pp. 89-102, Steamship Historical Society of America.