Air Force Photos

Vigilant Ace 18
A maintenance Airman prepares a F-15C Eagle for takeoff during Exercise Vigilant Ace-18, Dec. 5, 2017, at Gwangju Air Base, South Korea. The main purpose of this exercise was to enhance operational- and tactical-level coordination through combined and joint combat training. (U.S. Air Force photo by Airman 1st Class Kristen A. Heller)