USS Constitution is the US Navy's oldest vessel, and the world's oldest commissioned naval vessel still capable of sailing. Constitution is the second of the original six frigates first built for the US Navy.
Constitution is nicknamed "Old Ironsides," because of a battle fought against HMS Guerriere during the War of 1812. British cannonballs reportedly bounced off its hull during the fight, causing one sailor to yell, "Huzza, her sides are made of iron!"
In its 58 years of active service, Constitution fought in three wars (the Quasi War, the Barbary Wars, and the War of 1812) and won 33 battles without a single loss. Constitution also sailed around the world, and was a symbol of America's early power.
The ship is currently a museum ship, and is stationed at Boston Harbor.