Master Sgt. Thomas Mimidis, emergency management supervisor with the 911th Civil Engineer Squadron, sprays off mission oriented protective posture gear on Tech. Sgt. Brian Vermeesch, foreman with the 911th Civil Engineer Squadron, during a joint decontamination exercise in Coraopolis, Pennsylvania, September 8, 2019. The decontamination process is broken up into a multi-tent setup to allow multiple people to process through in a timely manner. (U.S. Air Force photo by Senior Airman James Fritz)