US Army’s Caisson Platoon honors America’s war heroes at Arlington National Cemetery

Fox News chief national security correspondent Jennifer Griffin speaks with Army Secretary Daniel Driscoll about the history of the U.S. Army’s Caisson Platoon on ‘Special Report.’ Fox News chief national security correspondent Jennifer Griffin speaks with Army Secretary Daniel Driscoll about the history of the U.S. Army’s Caisson Platoon on ‘Special Report.’