Air Force Staff Sgt. Jesse Grigg, 145th Aircraft Maintenance Squadron, wears chemical protection gear in Mission Oriented Protective Posture level four during Chemical, Biological, Radiological, and Nuclear Defense training held at the North Carolina Air National Guard Base, Charlotte Douglas International Airport, Jan. 8, 2018. The training is a unit wide requirement for Airmen to ensure readiness, familiarity with procedures, and hands on with issued protective gear.

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