Japan Ground Self-Defense Force members and U.S. Marines prepare and plan reconnaissance of a simulated contamination zone with casualties Dec. 1 at Camp Naha, Okinawa. The demonstration consisted of reconnaissance, casualty packaging and extraction, victim care, and immediate decontamination. The Marines are chemical, biological, radiological and nuclear defense specialists with CBRN Unit, Headquarters Regiment, 3rd Marine Logistics Group, III Marine Expeditionary Force. The JGSDF members are with the Nuclear Biological Chemical Unit, 15th Brigade. (U.S. Marine Corps photo by Lance Cpl. Tyler S. Giguere/Released)