Hawaii Army National Guard (HIARNG) soldier, Sgt. Trevor J. Castro, a helicopter repairer, assigned to 1-183rd Aviation Regiment, 103rd Troop Command, decontaminates his skin in a chemical attack simulation, Schofield Barracks, Hawaii, March 6, 2022. Soldiers had nine seconds to don the gas mask, one minute to perform the remaining tasks and five minutes to decontaminate their skin and equipment.

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Photo credit: © NB/IA / Alamy / Afripics
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Keywords: ., 183rd, ancheta, army, aviation, casandra, competition, guard, hawaii, hiarng, national, regiment, spc., warrior