Commander of Troops Lt. Col. Charles Sniffin (center), U.S. Army, escorts Secretary of Defense William S. Cohen (left) and his guest Minister of Defense Sergio Mattarella (right), of Italy, as Mattarella inspects the troops during an armed forces welcoming ceremony at the Pentagon on March 23, 2000. Sniffin is attached to the 3rd U.S. Infantry Regiment (The Old Guard).