Simulated opposing forces begin to attack a U.S. convoy during a scenario where OPFOR attacks a truck carrying munitions during Exercise Beverly Herd 16-2, on Osan Air Base, Republic of Korea, Aug. 24, 2016. Beverly Herd gives security forces and other units an opportunity to practice tactics they need to apply to real-world situations. (U.S. Air Force photo by Tech. Sgt. Rasheen Douglas)