Airman Isaiah Edwards, 9th Maintenance Squadron non-destructive inspection (NDI) technician, applies chalk to an RQ-4 Global Hawk wing June 20, 2018, at Beale Air Force Base, California. NDIs of the RQ-4 require special ultrasonic inspection equipment due to the aircraft composite wings.

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Photo credit: © PR Collection / Alamy / Afripics
License: Licensed
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