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Army Staff Sgt. Mario Avilesmancia, left, throws a M67 fragmentation grenade under the supervision of Sgt. Kevin Burns during live-fire training at Joint Base Elmendorf-Richardson, Alaska, Dec. 12, 2017. A ‘pit’ noncommissioned officer supervised the Soldiers throwing grenades to maintain a safe instructional environment, enforce precaution standards, and direct them on proper handling of explosives. The fragmentation hand grenade has a lethal radius of five meters and can produce casualties up to 15 meters, dispersing fragments as far as 230 meters. Avilesmancia and Burns are assigned to Able
Army Staff Sgt. Mario Avilesmancia, left, throws a M67 fragmentation grenade under the supervision of Sgt. Kevin Burns during live-fire training at Joint Base Elmendorf-Richardson, Alaska, Dec. 12, 2017. A ‘pit’ noncommissioned officer supervised the Soldiers throwing grenades to maintain a safe instructional environment, enforce precaution standards, and direct them on proper handling of explosives. The fragmentation hand grenade has a lethal radius of five meters and can produce casualties up to 15 meters, dispersing fragments as far as 230 meters. Avilesmancia and Burns are assigned to Able and Weapons Company, respectively, 3rd Battalion, 509th Parachute Infantry Regiment, 4th Brigade Combat Team (Airborne), 25th Infantry Division, Army Alaska. ( Air Force photo by Alejandro Peña)
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