Conecuh started life as Germany's Dithmarschen, a combination oiler-supply ship completed in 1938. After WWII she was allocated to the US Navy and placed in service in 1946 as IX 301, retaining her original name. The US Navy was interested in developing a multi-role replenishment ship, and Dithmarschen did some experimental work in this area before decommissioning late in 1946. Shortly before decommissioning, she was renamed Conecuh and redesignated AO 110.

In 1952 Conecuh was redesignated AOR 110 and converted for service as a replenishment oiler, entering service in 1953. After three years of service she decommissioned again in 1956 and was stricken in 1960. The concept of a multi-role replenishment ship was carried forward in the later purpose-built AOR and AOE type ships.

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