11th Civil Engineer Squadron readiness and emergency managers work on a simulated exercise of a storage tank leak during hazardous material training on Joint Base Andrews, Md., Sept 29, 2016. The purpose of the exercise is to be prepared to handle HAZMAT or react to a toxic spill mishap that may result in destruction. Fire Station One provided simulations, which included a one ton storage tank, oxygen tank and plastic barrel. (U.S. Air Force photo by Airman 1st Class Valentina Lopez)