JOINT BASE LANGLEY-EUSTIS, Va. –
U.S. Air Force Airmen assigned to the 633rd Civil Engineer Squadron participate in a leadership reaction course for a Prime Base Engineer Emergency Force training at Joint Base Langley-Eustis, Va., April 20, 2017. The Airmen perform the training every month for deployment readiness. (U.S. Air Force photo/Airman 1st Class Kaylee Dubois)