USS ConstitutionUSS Constitution, also known as Old Ironsides, is a wooden hulled, three masted heavy frigate of the United States Navy. She is the world's oldest commissioned naval vessel 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. Mahogany wood. Length: 35 inches May require additional shipping costs due to size weight.