Keywords: US Navy 070714-N-9793B-001 During USS Constitution^rsquo,s fourth underway demonstration of the year, a regiment of 1812 Marine reenactors perform a live-fire exercise over the port side of the ship.jpg en BOSTON July 14 2007 During USS Constitution s fourth underway demonstration of the year a regiment of 1812 Marine reenactors perform a live-fire exercise over the port side of the ship During the ship s fighting days Marines were posted above decks to fire down on enemy ships decks At 209 years old USS Constitution is the oldest commissioned warship afloat in the world She is manned by 64 active duty Sailors and visited by nearly half a million tourists annually U S Navy photo by Seaman Brian M Brooks RELEASED 2007-07-14 070714-N-9793B-001 Navy http //www navy mil/view_image asp id 48667 U S Navy photo by Seaman Brian M Brooks PD-USGov-Military-Navy Images from US Navy location BOSTON Muzzle flashes of firearms |