Kenleen Pringle sings "God Bless America" during the National Prayer Luncheon at Ellsworth Air Force Base, S.D., Feb. 8, 2011. The guest speaker for the luncheon was Chaplain, (Col.) Howard Stendahl, Air Combat Command command chaplain and former 28th Bomb Wing chaplain. (U.S. Air Force photo/Master Sgt. Loren Bonser)