Category:Kanawha-class fleet replenishment oilers

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According to author Thomas Wildenberg in Gray Steel and Black Oil: Fast Tankers and Replenishment at Sea in the U.S. Navy, 1912–1995 the six oilers designated AO-1 to AO-6 are all of one class, which he terms the Kanawha class. The Dictionary of American Naval Fighting Ships lists three of them in two classes and lists no class for the other trio. All have similar specifications.