Army Staff Sgt. Anthony Isley, foreground right, assigned to Dog Company, 3rd Battalion, 509th Parachute Infantry Regiment, 4th Brigade Combat Team (Airborne), 25th Infantry Division, Army Alaska, gives a safety brief prior to conducting M67 fragmentation grenade live-fire training at Joint Base Elmendorf-Richardson, Alaska, Dec. 12, 2017. During the familiarization training the Soldiers threw live hand grenades to hone their proficiency. The fragmentation hand grenade has a lethal radius of 5 meters and can produce casualties up to 15 meters, dispersing shrapnel as far as 230 meters. (U.

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Army Staff Sgt. Anthony Isley, foreground right, assigned to Dog Company, 3rd Battalion, 509th Parachute Infantry Regiment, 4th Brigade Combat Team (Airborne), 25th Infantry Division, Army Alaska, gives a safety brief prior to conducting M67 fragmentation grenade live-fire training at Joint Base Elmendorf-Richardson, Alaska, Dec. 12, 2017. During the familiarization training the Soldiers threw live hand grenades to hone their proficiency. The fragmentation hand grenade has a lethal radius of 5 meters and can produce casualties up to 15 meters, dispersing shrapnel as far as 230 meters. ( Air Force

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