The U.S. Army Training and Doctrine Command Band and U.S. Air Force Heritage of America Band perform during the Constitution Day Concert in Williamsburg, Va., Sept. 17, 2013. The fifth-annual event marked the fifth year of the U.S. Air Force Heritage of America Band performing and the third year of joining forces with the TRADOC Band. (U.S. Air Force photo by Airman 1st Class Victoria H. Taylor/ Released)