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U.S. Air Force Senior Airman Alberto Lara, 726th Aircraft Aerospace Crew Chief, inspects landing gear on a C-17 Globemaster III cargo aircraft on Spangdahlem Air Base, Germany, Aug. 5, 2021. Prior to departing for the next location, maintainers assess the needs of the aircraft and perform any unscheduled maintenance it may need, including changing tires, filters, oil, hydraulic fluids, troubleshooting wires, computers, and potential system faults. (U.S. Air Force photo by Staff Sgt. Chance Nardone)