Staff Sgt. Scott Ackerly, 3rd Airlift Squadron loadmaster, tests emergency lights on a C-17 Globemaster III before a local training flight at Dover Air Force Base, Delaware, Aug. 4, 2021. Dover AFB supports 20% of the nation’s strategic airlift and routinely flies local training missions to sustain mission readiness for global operations. (U.S. Air Force photo by Senior Airman Faith Schaefer)
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