Master Sgt. Justin Pierce, 9th Maintenance Squadron superintendent, preforms preflight checks on a U-2 Dragon Lady April 16, 2018 at Beale Air Force Base, California. The aircraft was certified as a “black-letter jet” and is the 9th Aircraft Maintenance Squadron first one since 2015. (U.S. Air Force photo by Senior Airman Tristan D. Viglianco)
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