OLD IRONSIDE TRADITION The 1812 Marines demonstrate a musket firing exercise during the USS Constitution vs. HMS Guerriere Battle Commemoration at Charlestown Navy Yard, Mass., Aug. 15, 2008. More than 65 guests and military officials joined the captain and crew for this second annual observance of the battle. The Constitution earned her nickname Old Ironsides Aug. 19, 1812, when 18-pound iron round shot from the British frigate bounced harmlessly off her oak hull. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 789201-Y-NQW67-799.jpg Photo Gallery