U.S. Air Force Airmen and members of the Japan Air Self-Defense Force use an electric concrete cutter during the Rapid Airfield Damage Recovery Bi-lateral Exercise Aug. 29, 2018, at Naha Air Base, Japan. The exercise was held at Naha Air Base to compare runway repair techniques used by JASDF service members and Airmen. (U.S. Air Force photo by Senior Airman Kristan Campbell)

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Photo by: Senior Airman Kristan Campbell |  VIRIN: 180829-F-WU765-1138.JPG