Tech. Sgt. Paige Wroble, U.S. Air Force Band’s Airmen of Note vocalist, sings during a concert at the U.S. Air Force Memorial in Arlington, Va., before the fireworks celebration in Washington, D.C., July 4, 2015. The concert at the U.S. Air Force Memorial is an annual event that ends just before fireworks begin. (U.S. Air Force photo/Airman 1st Class Philip Bryant)