Lance Cpl. Jacob A. Golding, chemical, biological, radiological and nuclear defense specialist with CBRN platoon, Combat Logistics Regiment 4, puts on his level A suit before conducting CBRN training at Camp Shelby, Miss., Nov. 17, 2015. The level A suit provides the Marines with the highest level of protection from hazardous materials and is commonly worn by firefighters. (U.S. Marine Corps photo by Cpl. Ian Leones/Released)