Marine Corp Lance Cpl. Reece Martosella, administration specialist, 26th Marine Expeditionary Unit, adjusts his M50 gas mask during Chemical, Biological, Radiological, and Nuclear defense training at Camp Lejeune, North Carolina, Feb. 24, 2022. The gas chamber training exposed Marines to 2-Chlorobenzylidene Malononitrile in order to enhance their confidence with Chemical, Biological, Radiological, and Nuclear defense equipment.

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Keywords: 26th, annual, chamber, cs, gas, marines, meu, training