Programmed Depot maintenance modernizes KC-135s
A 564th Aircraft Maintenance Squadron worker performs a programmed depot maintenance inspection of a KC-135 Stratotanker at the Oklahoma City Air Logistics Complex on Tinker Air Force Base, Oklahoma Nov. 23, 2019. Inspections determine what defects need to be addressed and what parts require fixing and updating. (U.S. Air Force photo by Airman Kiaundra Miller)

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Photo by: Airman 1st Class Kiaundra Miller |  VIRIN: 191123-F-JR816-1081.JPG