MARINE CORPS AIR STATION YUMA, Ariz. -- U.S. Marines stationed at Marine Coprs Air Station (MCAS) Yuma, recieve their training in order to become a squadron decontamination team at MCAS Yuma, Ariz., August 14, 2019. Each squadron is required to have a decontamination team that is trained quarterly by a Chemical, Biological, Radiological and Nuclear Defense Specialist. (U.S. Marine Corps photo by Lance Cpl. John Hall)