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.

To support naval operations in the Atlantic Ocean, the German Navy ran trials with various vessels in the 1920s and early 1930s.

[1] 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.

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).