U.S. Air Force Tech. Sgt. Nicholas Gonzalez, 7th Security Forces Squadron flight chief, check an identification card of an Airman gaining access to Dyess Air Force Base, Texas, Aug. 8, 2018. Flight chiefs are in charge of overseeing exercises, providing feedback to their Airmen, patrolling the base and conducting administrative operations. (U.S. Air Force photo by Senior Airman Shannon Hall)