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16 hours ago · 15 October 1966. USS Constitution, also known as Old Ironsides, is a three-mastedwooden-hulled heavy frigateof the United States Navy. She is the world's oldestcommissioned naval warship still afloat.[11][. Note 1]She was launched in 1797, one of six original frigatesauthorized for construction by the Naval Act of 1794and the third constructed.
