U.S. Air Force Airman 1st Class Kofi Oppong, 786th Civil Engineer Squadron electrical system apprentice, connects an expeditionary airfield lighting system during Silver Flag at Ramstein Air Base, Germany, July 10, 2020. The expeditionary airfield lighting system is used to create visibility on airfields at austere locations. Silver Flag is a contingency training course consisting of seven training days and two field exercise days for U.S. Air Force civil Engineers, force support and vehicle operator personnel. (U.S. Air Force photo by Senior Airman Milton Hamilton)

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Photo by: Senior Airman Milton Hamilton |  VIRIN: 200710-F-VQ832-1313.JPG