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An F-35A Lightning II, from Hill Air Force Base, Utah, and an F-16 aggressor, from Eielson Air Force Base, Alaska, fly over Alaska Aug. 17, 2021. The 4th Fighter Squadron, from the 388th Fighter Wing at Hill, recently returned from three weeks of training in Alaska, including Red Flag 20-3. (U.S. Air Force photo by Tech. Sgt. Jerilyn Quintanilla)