USS Constitution

1797 heavy frigate of the U.S. Navy

USS Constitution, also known as Old Ironsides, is a three-masted wooden-hulled heavy frigate of the United States Navy. She is the second oldest naval vessel still in commission, and the oldest still afloat. She was launched in 1797, one of six original frigates authorized for construction by the Naval Act of 1794 and the third constructed.

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