U.S. Army Lt. Gen. David D. Halverson, Training and Doctrine Command deputy commanding general, addresses the audience during the Constitution Day Concert in Williamsburg, Va., Sept. 17, 2013. Halverson led a moment of silence for those who lost their lives during the recent naval yard shootings before the night’s festivities.(U.S. Air Force photo by Airman 1st Class Victoria H. Taylor/ Released)