Fire department vehicles assigned to the 18th Civil Engineer Squadron standby on a safe site near a simulated chemical spill during a hazardous material training exercise July 11, 2019, on Kadena Air Base, Japan. The main objective of the HazMat training is for firefighters to familiarize themselves with hazardous materials and prevent them from spreading. (U.S. Air Force photo by Senior Airman Cynthia Belío)