Four F-35A Lightning IIs, assigned to the 388th Fighter Wing at Hill Air Force Base, Utah, fly in formation over Denali National Park, Alaska, Aug. 17, 2020. The 388th FW participated in exercise Red Flag-Alaska 20-3 during which fourth and fifth-generation fighter aircraft trained side-by-side in the Joint Pacific Alaska Range Complex, the Defense Department's largest instrumented training range. (U.S. Air Force photo by Tech. Sgt. Jerilyn Quintanilla)