18th Wing Multi-Capable Airmen course teaches spall repair
U.S. Air Force Airmen from the 18th Wing clear chips of cement, called spall, from a hole in an airfield during a Multi-Capable Airmen course exercise at Kadena Air Base, Japan, Feb. 25, 2021. Clearing the hole of debris is step one of expedient spall repair, a multi-staged process that allows use of an airfield to be quickly reestablished in the event of high-impact damage. In terms of scale, a hole five feet wide is considered a spall, anything bigger is considered a crater. (U.S. Air Force photo by Airman 1st Class Anna Nolte)

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Photo by: Airman 1st Class Anna Nolte |  VIRIN: 210225-F-ZJ963-1112.JPG