A firefighter gets in position to battle a simulated fire during a training exercise at Sheppard Air Force Base, Texas, April 17, 2019. Fire departments from Sheppard AFB, Wichita Falls, Texas, and Lawton, Okla. converged on the Sheppard AFB fire pit to practice different methods of combating an aircraft fire. (U.S. Air Force photo by Airman 1st Class Pedro Tenorio)