Hundreds of spectators watch as USS Constitution, Old Ironsides presents a 21-gun salute to Fort Independence on Castle Island in Boston Harbor.

Boston (Jul. 04, 2006) Hundreds of spectators watch as USS Constitution, "Old Ironsides" presents a 21-gun salute to Fort Independence on Castle Island in Boston Harbor. The annual Independence Day turnaround cruise is just one of over 200 scheduled events during Boston Harborfest 2006. The seven-day long festival showcases the colonial and maritime heritage of Boston. U.S. Navy photo by Mass Communication Specialist 1st Class Dave Kaylor File# 060704-N-8110K-064