A U.S. Army 3rd U.S. Infantry Regiment (The Old Guard) relief commander relieves a soldier of guarding the Tomb of the Unknown Soldier before the Gold Star Mother’s Day Observance at Arlington National Cemetery in Arlington, Va., Sept. 27, 2015. After changing guard, the relief commander announced the start of the Gold Star Mother’s Day wreath-laying ceremony. (U.S. Air Force photo by Staff Sgt. Natasha Stannard/Released)