Master Sgt. Jason A. Mellor an explosive ordnance disposal specialist from the 94th Explosive Ordnance Disposal Flight, Dobbins Air Reserve Base, Ga., examines a fragment of a civil war era cannon ball at the base Aug 2. The cannon ball was detonated and disposed of by the Dobbins EOD team after being discovered near Centennial Park, downtown Atlanta July 18. (U.S. Air Force photo/Don Peek)