6th Squadron, 8th Cavalry Regiment, 2nd Armored Brigade Combat Team, 3rd Infantry Division, Soldiers don their pro masks at a Chemical, Biological, Radiological, and Nuclear training event, Sept. 13 at Fort Stewart, Ga. Elements of an armored brigades must prepare to fight in austere, chemically challenged environments.

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Keywords: #cbrn, #gaschamber, air, america, archive, armed, army, defence, force, forces, military, navy, reportage, service, serviceman, servicemen, soldier, states, united, usa