Joint Base Langley-Eustis, Va., Color Guardsmen and women presents the colors at the Constitution Day concert in Williamsburg, Va., Sept. 17, 2015. On Sept. 17, 1787, the United States’ Founding Fathers signed the U.S. Constitution, establishing the framework of our government and the freedoms Americans enjoy today. (U.S. Air Force photo by Senior Airman Kimberly Nagle/Released)