USS Conecuh (AOR-110)

USS Conecuh (AOR-110) was a fleet replenishment tanker, originally built by F. Schichau, Danzig, in 1938 as a combination oiler and supply vessel or "Troßschiff" for the Kriegsmarine and christened as Dithmarschen. Taken over by British authorities at Bremerhaven when World War II ended, Dithmarschen was allocated to the United States Navy on 15 January 1946 by the Inter-Allied Reparations Commission.

For other ships with the same name, see USS Conecuh.
Conecuh underway, October 1946
History
Nazi Germany
NameDithmarschen
BuilderSchichau-Werke, Danzig
Laid down6 June 1936
Launched12 June 1937
Commissioned20 July 1939
FateCaptured, May 1945
United States
NameUSS Conecuh
NamesakeConecuh River in Alabama
Acquired15 January 1946
In service2 May 1946, as USS Dithmarschen (IX-301)
Out of service24 October 1946
RenamedUSS Conecuh, 1 October 1946
ReclassifiedAO-110 (Fleet Oiler), 1 October 1946
Commissioned16 February 1953
Decommissioned3 April 1956
ReclassifiedAOR-110 (Replenishment Oiler), 4 September 1952
Stricken1 June 1960
FateTransferred to the Maritime Commission, 3 April 1956
General characteristics
TypeReplenishment oiler
Displacement8,820 long tons (8,962 t)
Length584 ft (178 m)
Beam72 ft (22 m)
Draft31 ft (9.4 m)
Propulsionfour MAN nine-cylinder Diesel, two shafts, 22,000 shaft horsepower (16,000 kW)
Speed23 knots (43 km/h; 26 mph)
Range12500 nm (23200 km) at 15 kn
Complement284
Armament3 x 150 mm, 2 x 37 mm, 4 x 20 mm; 8 × 40 mm guns (U.S. Navy)

Design

To support naval operations in the Atlantic Ocean, the German Navy ran trials with various vessels in the 1920s and early 1930s. After testing two vessels of an intermediate type, the design evolved into the Dithmarschen-class. Six were built altogether, one of which was never completed. As Germany did not possess any ports on the Atlantic Ocean or any overseas bases, the Dithmarschen-class combined the roles fulfilled by tanker, repair ship, ammunition ship and dry cargo ship. The ships were even equipped with a small hospital. The main cargo were almost 9,000 tons of fuel oil and 400 tons of lubricating oil. As it was probable that the ships were underway for an extended time, the range was 12,500 nm at 15 knots. The maximum speed was 23 knots. A heavy armament was fitted, consisting of three 15 cm/L48 guns, two 3,7 cm and four 20 mm anti-aircraft guns and eight machine guns.[1]

Name

Dithmarschen, or Ditmarsh (in the oldest form of the name Thiatmaresgaho, Dietmar's Gau), a territory between the Eider, the Elbe and the North Sea. In U.S. service, her name was changed to Conecuh on 1 October 1946, after the Conecuh River in Alabama.

Service history

German Navy

Dithmarschen was being overhauled at the beginning of World War II. From June to November 1940, she supported the battleships Scharnhorst and Gneisenau during Operation Weserübung, the invasion of Norway. In November, she refueled the cruiser Admiral Hipper during her operations in the Atlantic Ocean. Scharnhorst and Gneisenau were again supported in the Atlantic Ocean during Operation Berlin in early 1941. Between October 1941 and December 1942, Dithmarschen operated in the Baltic Sea, supporting German ships during Operation Barbarossa. For the remainder of the war, she operated off Norway. At the end of the war, she had returned to Bremerhaven, where she was taken over by the British.[2]

U.S. Navy

Dithmarschen was allocated to United States 15 January 1946. She was placed in service 2 May 1946 as USS Dithmarschen (IX-301) with Captain A. W. Maddox, USNR, in charge. Departing Bremerhaven 8 May she arrived at Philadelphia Naval Shipyard 19 May for conversion to a naval vessel. The need for a one-stop oiler-replenishment type ship had been illustrated by the war in the Pacific, and Dithmarschen was used for experimental work in this field since she had been developed specifically for this type of duty. She was redesignated AO-110 on 1 October 1946 (the construction of USS Conecuh (AO-103) had been cancelled on 18 August 1945), but lack of funds delayed her conversion and she was placed out of service on 24 October.

Her classification was changed to AOR-110 on 4 September 1952 and she was converted to a fleet replenishment tanker. Conecuh was commissioned 16 February 1953, Commander M. B. Freeman in command. Following her shakedown in the Virginia Capes, she steamed to Greenock, Scotland to take part in NATO Operation "Mariner" (16 September-20 October). She sailed for a tour of duty with the 6th Fleet in the Mediterranean (5 March-28 May 1954), then underwent an extensive overhaul at Norfolk (30 June 1954 – 4 January 1955). She remained at Norfolk except for refueling units at sea, operations in the Caribbean, and off the Florida Keys (25 October-7 November 1955), until decommissioned and transferred to the Maritime Commission for retention in the Maritime Reserve Fleet 3 April 1956. She was stricken from the Naval Register on 1 June 1960.

Conecuh proved the feasibility of the combination oiler-replenishment ship; experience gained during her operations led to the development of the fast combat support ship (AOE) in the United States Navy.

See also

References
  1. "KMS Dithmarschen". GlobalSecurity.org.
  2. "Troßschiffe".

Bibliography
  • "Conecuh". Dictionary of American Naval Fighting Ships. Retrieved December 29, 2006.
  • Wildenberg, Thomas (1996). Gray Steel and Black Oil: Fast Tankers and Replenishment at Sea in the U.S. Navy, 1912-1995. Annapolis, M: Naval Institute Press. ISBN 1-55750-934-4.

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

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