Take the opportunity to see “Old Ironsides” underway in Boston Harbor today, or stop by to tour the ship this afternoon. Watch a 21-gun salute near Fort Independence at approximately 11:30 a.m., followed by a 17-gun salute in front of U.S. Coast Guard Base Boston at approximately 12:25 p.m. USS Constitution will be open to the public from 3 to 6 p.m. following the underway. Admission is free. Adults ages 18 and older must present a valid government-issued photo ID to board. Experience history and visit the world’s oldest commissioned warship afloat! #OldIronsides #USNavy #Underway #USSConstitution #America250