Airmen from the 67th Fighter Squadron Aircraft Maintenance Unit watch as an F-15 Eagle taxis into a slot after it arrives from Kadena Air Base, Japan, in support of Vigilant Ace 16 on Gwangju Air Base, Republic of Korea, Nov. 2, 2015. U.S. F-16, F-15 and A-10 aircraft participate in the exercise alongside Republic of Korea F-15K and KF-16 aircraft. (U.S. Air Force photo/Senior Airman Omari Bernard)