AF Installation Cyberattack Plans put to the test during national grid exercise
Staff Sgt. Manoj Williams, 375th Civil Engineer Squadron electrical systems craftsman, greases framework knife blades and tightens loose conductor connections April 9, 2016, at Scott Air Force Base, Ill. The base required a scheduled power outage to repair critical high-voltage electrical components. (U.S. Air Force photo by Airman Daniel Garcia)