Vigilant Ace 18
An Airman with the Republic of Korea Air Force signals to a U.S. Air Force C-130J Super Hercules where to stop in preparation for exercise Vigilant Ace 18, Dec. 1, 2017, at Gwangju Airbase, Republic of Korea. The exercise helps to constantly build on the strong relationship between the US and the Republic of Korea, and demonstrates the commitment and resolve of the US to the region’s stability. (U.S. Air Force photo by Senior Airman Donald Hudson)