U.S. Air Force Airmen push a generator during Silver Flag at Ramstein Air Base, Germany, July 15, 2020. The Airmen were pushing the generator down the airfield to provide electricity for an expeditionary airfield lighting system. 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)