The USS Indianapolis, a 120,000 ton American heavy-cruiser, sank in 1945 ... bomb that would later devastate Hiroshima and bring World War II closer to its end. The cargo had been a top priority ...
Although most of the credit (such that it is) for the destruction of urban Japan belongs to the bombers of the U.S. Army Air Force, the battleships and cruisers of the navy contributed their share.