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U.S. Air Force Airman 1st Class Steven Hershberger, a 169th Maintenance Squadron aerospace propulsion mechanic, conducts an inspection on an F-16 fighter jet engine at McEntire Joint National Guard Base, South Carolina, May 14, 2021. (U.S. Air National Guard photo by Senior Airman Mackenzie Bacalzo)
24.0-70.0 mm f/2.8
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