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History
United States
Name	1945 SS Middlesex Victory 1947 SS Wyoming 1963 USNS Cheyenne
Namesake	An Algonquian tribe of Native Americans formerly roving between the Arkansas and Missouri rivers.
Builder	Oregon Shipbuilding Corporation, Portland, Oregon
Laid down	8 May 1945 under U.S. Maritime Commission contract MCV-693
Launched	26 June 1945
In service	February 1963 as USNS Cheyenne (T-AG-174)
Out of service	date unknown
Stricken	15 June 1973
Fate	Scrapped August 1973
General characteristics
Type	Phoenix-class miscellaneous auxiliary
Displacement	6,700 tons light 15,900 tons full load
Length	455 ft 3 in (138.76 m)
Beam	62 ft (19 m)
Draft	28 ft 5 in (8.66 m)
Propulsion	steam turbine, single shaft, 8,500hp
Speed	17 knots
Complement	50 officers and enlisted

USNS Cheyenne (T-AG-174) was a Phoenix-class miscellaneous auxiliary acquired by the U.S. Navy in 1962, crewed by a civilian crew from the Military Sea Transportation Service, and sent to the Philippines to serve as a delivery ship of parts and supplies to other navy ships and stations in the Asian area. Cheyenne remained in the Philippines, issuing parts and other supplies, until the late 1960s. In 1966 she changed home port to Pusan Korea and was crewed by Korean merchant sailors. AT that time she was one of 4 cargo ships and 19 USNS LSTs operating out of the MSTS Office Pusan primarily providing support in the Viet Nam theater. Her master was a former ROK Navy captain, best known as "Speedy Pak". She was struck by the navy in 1973. (Korea information provided by the executive officer of the MSTS Office Pusan 1967–68.)

Built in Portland, Oregon

Cheyenne was constructed as the Victory ship SS Middlesex Victory under U.S. Maritime Commission contract (MCV-693) at Oregon Shipbuilding Corporation, Portland, Oregon. She was launched on 26 June 1945 and renamed SS Wyoming in 1947. In 1963, she was placed in-service as USNS Cheyenne (T-AG-174), a Special Project Ship, crewed by the Military Sea Transportation Service with a civilian crew.

World War II

For World War II the Middlesex Victory was operated by the Pacific-Atlantic Steamship Company under charter with the Maritime Commission and War Shipping Administration. She took needed supplies to troops. In 1948 she was sold to the States Steamship Company of Tacoma and renamed SS Wyoming.

Vietnam War operations

DANFS has no information on the operation of this ship. However, a review of the history of USNS Phoenix and USNS Provo indicates her operations to be similar to theirs: acting as a point to point cargo carrier, delivering military supplies to Okinawa and Vietnam from stocking points in Japan and Subic Bay.

Post-war decommissioning

Along with Phoenix and Provo, Cheyenne was struck from the Navy List on 15 June 1973 and disposed of by MARAD sale, 1 May 1973 and scrapped in August.

References

• NavSource Online: Service Ship Photo Archive - T-AG-174 Cheyenne
• USNS Phoenix (T-AG-172)
• USNS Provo (T-AG-173)

• Victory ships
• Ships built in Portland, Oregon
• 1945 ships
• World War II merchant ships of the United States
• Phoenix-class auxiliary ships
• Vietnam War auxiliary ships of the United States