Retired Israeli Defense Force Brig. Gen. Moshe Edri, Assistant Minister of Defense for chemical, biological, radiological and nuclear defense, Government of Israel, watches as Marines with Technical Rescue Platoon, Chemical Biological Incident Response Force, CBIRF, demonstrate rescuing a casualty from a trench in a contaminated environment during an official visit Aug. 29, 2016. CBIRF hosted officials from the Israeli Ministry of Defense for Chemical, Biological, Radiological and Nuclear defense to showcase their skills and techniques for responding to CBRN threats or events worldwide. - Retired Israeli Defense Force Brig. Gen. Moshe Edri, Assistant Minister of Defense for chemical, biological, radiological and nuclear defense, Government of Israel, watches as Marines with Technical Rescue Platoon, Chemical Biological Incident Response Force, CBIRF, demonstrate rescuing a casualty from a trench in a contaminated environment during an official visit Aug. 29, 2016. CBIRF hosted officials from the Israeli Ministry of Defense for Chemical, Biological, Radiological and Nuclear defense to showcase their skills and techniques for responding to CBRN threats or events worldwide.

Sergeant Austen Clark, the hot zone controller for the Search and Extraction Platoon, helps one of his Marines fasten and secure his gas mask before completing the final exercise of the afternoon during Exercise Scarlet Response 2015 at Guardian Centers in Perry, Georgia, July 21. The hot zone is the area where an incident occurs. Clark makes sure he keeps accountability of everything that goes on when his Marines go in and search a building, such as their gear, if there are any casualties inside or if there are any further issues besides what they already know. - Sergeant Austen Clark, the hot zone controller for the Search and Extraction Platoon, helps one of his Marines fasten and secure his gas mask before completing the final exercise of the afternoon during Exercise Scarlet Response 2015 at Guardian Centers in Perry, Georgia, July 21. The hot zone is the area where an incident occurs. Clark makes sure he keeps accountability of everything that goes on when his Marines go in and search a building, such as their gear, if there are any casualties inside or if there are any further issues besides what they already know.

Marines from the decontamination platoon put a child pretending to be injured on a backboard during Exercise Silent Ghost outside St. Elizabeths East hospital in Washington, D.C. April 7, 2015. The exercise was a simulated chemical, biological, radiological, nuclear and high yield explosive incident. - Marines from the decontamination platoon put a child pretending to be injured on a backboard during Exercise Silent Ghost outside St. Elizabeths East hospital in Washington, D.C. April 7, 2015. The exercise was a simulated chemical, biological, radiological, nuclear and high yield explosive incident.