POSTED: 12:19 pm EDT September 21, 2005 JACKSONVILLE, Fla. -- Firefighters are responding to reports that a Navy jet has gone down just west of Naval Air Station Jacksonville. According to Jacksonville Fire-Rescue, the plane, believed to be an S-3 Viking jet, went down in a lumber yard in the 6500 block of Roosevelt Boulevard. The plane was on fire, which was put out. The Navy told the local station that two parachutes were seen before the crash and a search is under way for the pilot and co-pilot. All three of the Navy's East Coast squadrons of Vikings are...