A 574th Aircraft Maintenance Squadron low observable technician, gap fills the inside of the engine nacelle of an F-22 Raptor at Hill Air Force Base, Utah, Nov. 24, 2020. The squadron processed 247 F-22s through the F-22 Structural Repair Program by performing structural modifications to increase total flying hour serviceability on each aircraft by 8,000 hours. (U.S. Air Force photo by Alex R. Lloyd)

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Photo by: Alex R. Lloyd |  VIRIN: 201119-F-EI321-0043.JPG