Naval History and Heritage Command

 The United States Navy's three-masted frigate USS Constitution, better known as "Old Ironsides," is the world's oldest commissioned warship afloat. Maintained as a national monument at the Charlestown Navy Yard in Boston, Massachusetts, Constitution recently completed a four-year overhaul to restore the ship to original hull strength.

1. History of USS Constitution
2. Old Ironsides's Battle Record: Documents of USS Constitution's Illustrious Deeds
3. Bibliography of sources on USS Constituition
4. Operation Sail 200, the sailing of USS Constitution on 21 July 1997
5. NHC Detachment Boston whose mission is the repair, maintenance, and restoration of USS Constitution
6. USS Constitution home page which contains information on visiting the ship