Jennifer McMahon (left) widow of Capt. Jason T. McMahon, Command Sgt. Maj. Clinton G. Hall, the Ordnance Regimental Command Sergeant Major (center) and Col. Jack Haley, the Army's 38th Chief of Ordnance and Commandant of the U.S. Army Ordnance School, Fort Lee, Va. unveil the bronze plaque which will hang on the newly renamed Capt. Jason T. McMahon Explosive Ordnance Disposal Training Center at Fort A.P. Hill, Va.