EIELSON AIR FORCE BASE, Alaska – Master Sgt. Joseph Bozzo, 63rd Air Refueling Squadron, Selfridge Air National Guard Base, Michigan, goes through post-flight checklist after a refueling mission. Red Flag-Alaska enables aviation units to sharpen their combat skills by flying 10 simulated combat sorties in a realistic threat environment. Additionally, the training allows them to exchange tactics, techniques, and procedures and improve interoperability. (U.S. Air Force photo by Master Sgt. Brandt Smith)