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USS Constitution is the oldest commissioned warship afloat in the world. It was first launched in 1797. Constitution is one of six ships ordered for construction by George Washington to protect America's growing maritime interests. The ships greatest glory came during the war of 1812 when she defeated four British frigates which earned her the nickname "Old Ironsides," because cannon balls glanced off her thick hull. The ship was restored in 1927 with contributions from the nation's school children.

The Charlestown Navy Yard was built on what was once Mouton's or Morton's Point, the landing place of the British army prior to the Battle of Bunker Hill. It was one of the first shipyards built in the United States. During its 174 year history, hundreds of ships were built, repaired and modernized, including the World War II destroyer USS Cassin Young. Today, thirty acres of the Navy Yard are preserved by the National Park Service as part of Boston National Historical Park.