An 507th Air Refueling Wing KC-135 Stratotanker alert aircraft taxis from one ramp to another to accommodate for shifting winds during the June Operational Exercise 16 at Tinker AFB, Okla. JOE 16 areas of inspection included maintaining aircraft, securing critical assets, processing personnel and cargo, responding to and launching alert aircraft, running command post operations, and many other critical tasks. (U.S. Air Force Photo/Master Sgt. Grady Epperly)