18th CEG annual exercise
U.S. Air Force Senior Airman Kevin Klingelhoefer, 18th Civil Engineer Squadron emergency manager, seals Senior Airman Matthew Bryles’, 18th CES emergency manager, gas mask during an 18th Civil Engineer Group annual exercise scenario at Kadena Air Base, Japan, Nov. 11, 2013. The exercise measured the Airmen’s ability to defend the base and survive during a contingency. (U.S. Air Force photo by Senior Airman Maeson L. Elleman)