Marines with the 26th Marine Expeditionary Unit roll mission-oriented protective posture level 1 suit during a Chemical, Biological, Radiological, and Nuclear (CBRN) defense training class at Camp Lejeune, North Carolina, April 7, 2021. The gas chamber training exposed Marines to 2-Chlorobenzylidene Malononitrile, or CS gas, in order to enhance their confidence with CBRN defense equipment.

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Keywords: 26th, camp, cbrn, chamber, expeditionary, gas, lejeune, marine, meu, unit, usmcnews