Airman 1st Class Elliott Bristow, a Fire Team member from the Kentucky Air National Guard’s 123rd Security Forces Squadron, defends his position with an M-249 machine gun while protecting a simulated Afghan compound during training at Fort Knox, Ky., Oct. 20, 2015. Bristow and his fellow Airmen also executed a search for a downed pilot.

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Photo credit: © RP Photo / Alamy / Afripics
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Keywords: airforce, airmen, army, conflict, forces, fort, knox, ky, marine, military, navy, news, politics, sailor, soldier, states, united, usa, war