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T2, Tankers built by Bethlehem Steel Co., Sparrows Point MD
Caddo (1) / Merrimack
See also USS MERRIMACK (AO-37) as :  Caddo (1)

Type : T2-SO
 "Caddo (1)" as delivered.
U.S. Naval oiler "Merrimack", ex. "Caddo (1)".
 The USS Merrimack (AO-37) on an unidentified date and location wearing a very worn camouflage 32/6AO.
(Photo source: NARA)
U.S. Naval olier "Merrimack", ex. "Caddo (1)".
 U.S. Naval olier "Merrimack", ex. "Caddo (1)".
"Caddo (1)".
( Collection Jullian Lelliott )
U.S. Navy Oiler USS Merrimack (AO-37), ex. "Caddo (1)", refueling an Essex class aircraft
carrier and a Fletcher class destroyer during operations off Japan, July 1945.
"USS Merrimack (AO-37)".
"USS Merrimack (AO-37)" underway, date and location unknown.
( Photo Copyright Tommy Trampp )

CADDO (1), T2-SO
Built by Bethlehem Steel Co., Sparrows Point MD.
Yardnr. 4354. USMC nr. 143. Official nr. 241020.
Keel laid 12-09-1940. Launched 01-07-1941. Completed 09-09-1941. Gr. 9890 t., Net. 5928 t., Dw. 15850 t. L.o.a. 159,57 m., Br. 20,78 m., Dr. 9,19 m. Engine: 2 steam turbines, manufactured by Westinghouse Electric & Manufacturing Company, Milwaukee. 12000 B.h.p., 8808 kW. Speed 15 knots. 26 tanks.
CADDO (1)-1941 completed for Socony-Vacuum Oil Company, New York, U.S.A.
CADDO (1)-1941 Acquired by the US Navy from Socony-Vacuum Oil Co., New York City, N.Y., 31 December.
CADDO (1)-1942 Renamed Merrimack 9 January.
AO-37 MERRIMACK-1942 Commissioned USS Merrimack (AO-37), 4 February.
AO-37 MERRIMACK-1950 Decommissioned, 8 February, laid up in the Atlantic Reserve Fleet, Texas Group, Orange, TX.
AO-37 MERRIMACK-1950 Recommissioned, 6 December.
AO-37 MERRIMACK-1954 Decommissioned, 20 December at San Diego, CA. and laid up in the Pacific Reserve Fleet, San Diego Group.
AO-37 MERRIMACK-1959 Struck from the Naval Register, 4 February.
AO-37 MERRIMACK-1959 Transferred, to the Maritime Administration for lay up in the National Defense Reserve Fleet, Beaumont, TX.
Additional Reports :
AO-37 MERRIMACK-1982 disposed of by MARAD exchange, 19 March broken up at Hamburg 2nd quarter.1982 [ By Eckhardt & Co. ]

Caddo (1)
LOA 501'4", Beam 68' Depth 37', 15,910 DWT, 129,000 bbls.
Westinghouse turbines, cross-compound, double reduction gears, developing 12,000 SHP at 105 RPM 16.5 knots
Launched 1 July and commissioned 9 October 1941 at Bethlehem Shipbuilding Corporation, Sparrows Point, Maryland.
This vessel was named after the Caddo Confederation of Indian tribes which once lived on and controlled land which has since yielded millions of barrels of oil in Texas and Oklahoma. Shreveport, Louisiana, is on the site of an ancient Caddo village.
In spite of the fact that this ship was in our service for only three months, she was always referred to as the “old” CADDO to distinguish her from a later vessel which bore the same name to a tragic end.
On 2 January 1942, the Navy exercised its option on the old CADDO and put her in uniform as the USS MERRIMAC (A0-37). She served as a mobile logistics unit with the feet, refuelling combatant ships at sea within earshot of naval gunfire.
Life with the Navy made a “regular” out of the old CADDO, and after the war she was retained as a permanent fleet oiler.

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