U.S. Air Force Senior Airman Katrina Garcia, an emergency management journeyman assigned to the 97th Civil Engineer Squadron, instructs about the use of a joint chemical agent detector to students of the Altus public school district, August 29, 2019, at Altus, Okla. Emergency management helps ensure members readiness for disaster response events. (U.S. Air Force photo by Senior Airman Cody Dowell)