U.S. Army Chap. (Col.) Kenneth Bush, 633rd Air Base Wing deputy chaplain, speaks to the congregation about praying as a community during the National Day of Prayer celebration at the Regimental Memorial Chapel at Fort Eustis, Va., May 3, 2012. In April 1952, then-President Harry S. Truman signed a bill proclaiming the president must declare a National Day of Prayer annually. (U.S. Air Force photo by Senior Airman John D. Strong II/Released)