Staff Sgt. Luis Garcia, a chemical operations specialist, with Headquarters Headquarters Company 728th Combat Sustainment Support Battalion, 213th Regional Support Group, Pennsylvania Army National Guard, prepares the gas chamber prior to the arrival of Soldiers during annual training at Fort Indiantown Gap, Pa. June 13, 2017.

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Keywords: 213th, 728th, army, battalion, biological, cbrn, chamber, chemical, combat, cssb, gas, group, guard, national, nuclear, paarng, pennsylvania, radiological, regional, rsg, support, sustainment