A 63rd Aircraft Maintenance Unit maintainer inspects the canopy of an F-35A Lightning II after flight Jan. 7, 2020, at Luke Air Force Base, Ariz. The 63rd AMU currently houses 24 of the base’s 92 F-35s, ensuring the aircraft are available for daily training operations. Luke is the largest F-35 training base in the Air Force, providing combat ready Airmen and pilots. ( Air Force photo by Senior Airman Alexander Cook)

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