140908-F-IJ878-090
Senior Master Sgt. Phillip Johnson conducts backing procedures prior to a training flight onboard a C-17 Globemaster III Sept. 8, 2014, at Joint Base Charleston, S.C. Training flights are vital to the operational success of Airmen because they help develop the necessary skills for combat and humanitarian missions. Johnson is a loadmaster assigned to the 300th Airlift Squadron. (U.S. Air Force photo/Tech. Sgt. Barry Loo)