Senior Airman Ashley Knowland, 47th Security Forces Squadron patrolman, keeps watch during a training scenario at Laughlin Air Force Base, Texas, Aug. 1, 2018. The 47th SFS, along with the 47th Civil Engineer Squadron firefighters, recently started training with a new and improved process aimed at cutting down response time to active shooter scenarios. (U.S. Air Force photo by Senior Airman Benjamin N. Valmoja)