U.S. Marines assigned to 1st Marine Division conduct a wash down as part of the simulated decontamination process during scenario-based training on Camp Pendleton, California, Aug. 9, 2022. CBRN is responsible for conducting training and reconnaissance, chemical detection identification, biological agent collection and sampling, decontamination of personnel, equipment, and casualties and individual protective measures in first aid for unit personnel. 1st MARDIV,1st MLG,CBRN,

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