JOINT BASE ELMENDORF-RICHARDSON, Alaska
An Air Force C-130 aircraft taxies onto the runway in preparation for takeoff during exercise Polar Force 13-3 at Joint Base Elmendorf-Richards, Alaska, April 7. The readiness exercise is designed to validate the wing's ability to integrate, mobilize, and prepare assigned personnel, aircraft and equipment for their wartime mission and to employ forces and weapons systems to perform the tasked missions. (U.S. Air Force photo/Senior Airman Blake Mize)