Airmen from Barksdale Air Force Base, Travis AFB, and F.E. Warren AFB trek to the field training portion of a Silver Flag Exercise at Dobbins Air Reserve Base, Georgia. Trainees consisted of both active-duty Airmen and Reserve Citizen Airmen. Silver Flag required Airmen to plan, build and implement a bare base operation in a contested environment. (U.S. Air Force photo by Senior Master Sgt. Ted Daigle)