Spc. Chimere Wall, a unit supply specialist with Headquarters and Headquarters Company, 155th Armored Brigade Combat Team, sanitize her gas mask after a chemical protective mask confidence exercise at Camp Shelby Joint Forces Training Center, Miss., Feb. 15, 2018. The 155th ABCT is preparing for an upcoming deployment to the Middle East in support of Operation Spartan Shield. ( Army National Guard

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Keywords: air, america, armed, army, defence, employee, federal, force, forces, government, military, navy, service, serviceman, servicemen, states, united, usa