455th Expeditionary Aircraft Maintenance Squadron tactical aircraft maintenance technicians otherwise known as crew chiefs, install an F-16C Fighting Falcon engine, Bagram Airfield, Afghanistan, Aug. 9, 2016. Crew Chiefs conduct day-to-day maintenance, including end-of-runway, postflight, preflight, thru-flight, special inspections and phase inspections. They are also responsible for diagnosing aircraft malfunctions and replacing components. (U.S. Air Force photo by Senior Airman Justyn M. Freeman)
<br>Unit: 455th Air Expeditionary Wing
Senior Airman Justyn Freeman
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