Retired U.S. Air Force Lt. Col. Donald “Digger” Odell speaks about his experiences during the Vietnam War at the National Prayer Breakfast at Fort Eustis, Va., March 26, 2015. Odell served as a fighter pilot and spent time as a prisoner of war in Hanoi, North Vietnam for 5 1/2years. (U. S. Air Force photo by Staff Sgt. Teresa J. Cleveland/Released)