Firefighters with the 374th Civil Engineer Squadron communicate emergency procedures during exercise Beverly Morning 17-08 in conjunction with exercise Vigilant Ace 18, Dec. 4, 2017, at Yokota Air Base, Japan. The goal of the exercise was to demonstrate combat readiness, the ability to survive and operate in a contested environment and to identify any possible shortcomings in existing emergency procedures. (U.S. Air Force photo by Senior Airman Donald Hudson)