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An expended 5.56mm casing rests on an ammunition can as Airmen assigned to the 673d Security Forces Squadron conduct an M249 Squad Automatic Weapon, and M2 .50 Caliber machine gun qualification range on Joint Base Elmendorf-Richardson, Alaska, Jan. 10, 2018. Security Forces Airmen perform extensive training in law enforcement as well as combat tactics to protect U.S. Military bases and assets both stateside and overseas. (U.S. Air Force photo/Justin Connaher). Original public domain image from Flickr
An expended 5.56mm casing rests on an ammunition can as Airmen assigned to the 673d Security Forces Squadron conduct an M249 Squad Automatic Weapon, and M2 .50 Caliber machine gun qualification range on Joint Base Elmendorf-Richardson, Alaska, Jan. 10, 2018. Security Forces Airmen perform extensive training in law enforcement as well as combat tactics to protect U.S. Military bases and assets both stateside and overseas. (U.S. Air Force photo/Justin Connaher). Original public domain image from Flickr
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