A 421st Fighter Squadron F-16 Fighting Falcon prepares for a launch for a surge exercise on Hill Air Force Base, Utah, Nov. 19, 2013. The 388th Fighter Wing, including the 421st and the 4th Fighter Squadron, are participating in a three-day surge exercise to test and maintain all personnel and equipment readiness and response time for future real- world situations. (U.S. Air Force photo by Senior Airman Tiffany DeNault)