Air Force Maj. Eroica Waggoner analyzes the coding necessary to maintain operational capabilities for the power grid of a simulated city during a cyber exercise involving the Arkansas National Guard and other agencies at Little Rock Air Force Base, Ark., Dec. 7, 2017. Participants took part in a three-day course to discover how best to respond to a cyber incident and how to safeguard against potential cyber vulnerabilities. Air National Guard photo by Senior Airman Kayla K. Edwards