U.S. Air Force Tech. Sgt. Justin Allen, U.S. Air Force Heritage of America Band vocalist, sings during the Constitution Day concert in Williamsburg, Va., Sept. 17, 2015. The event featured a combined ensemble of the U.S. Army Training and Doctrine Command Band and the U.S. Air Force Heritage of America Band, as well as the Colonial Williamsburg Fifes and Drums Corps. (U.S. Air Force photo by Senior Airman Kimberly Nagle/Released)