A Marine attached to the Chemical Biological Incident Response Force at Marine Corps Base Quantico prepares the oleoresin capsicum gas during a gas chamber training exercise at Weapons Training Battalion, Marine Corps Base Quantico, Va., Jan 28, 2017. MCESG participants in the exercise went through a series of tests to ensure proper use of a gas mask.

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Photo credit: © Chuck Little / Alamy / Afripics
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Keywords: air, america, archive, armed, army, camera, combat, defence, force, forces, military, navy, quantico, reportage, service, serviceman, servicemen, soldier, states, united, usa, usmc, usmccomcam