Video by Cpl. Nathan Hislop | 1st Marine Logistics Group | 03.11.2026
U.S. Marines with I Marine Expeditionary Force participate in a chemical, biological, radiological, and nuclear defense training event on Marine Corps Base Camp Pendleton, California, March 11, 2026. The gas chamber is an annual requirement that teaches Marines proper protective measures against CBRN threats. (U.S. Marine Corps video by Cpl. Nathan Hislop)...