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U.S. Air Force maintainers go through preflight checks on F-16 Fighting Falcons before taking off during RED FLAG-Alaska 26-1 at Eielson Air Force Base, Alaska, April 20, 2026. Realistic combat training sustains the readiness required for U.S. air and space operations as Joint Forces continue to prepare for a full range of contingencies. (U.S. Air Force photo by Tech. Sgt. Mikaley Kline)