U.S. Air Force Lt. Col. Franklin Marston, 158th Fighter Wing Detachment 1 commander, talks to Air Force Civic Leaders about the capabilities of the F-16 Fighting Falcon during the Air Force Chief of Staff Civic Leader Tour at Langley Air Force Base, Va., Feb. 1, 2012. The 158th FW, Det. 1 has interdicted 2,200 aircraft threats since the alert mission was stood up just after September 11th, 2001. (U.S. Air Force photo by Staff Sgt. Jeff Nevison/Released)