U.S. Army Sgt. Amber Holman, 7th Transportation Brigade (Expeditionary) cargo specialist, prepares to throw a live M228 grenade during qualification training at Fort Pickett, Va., Nov. 17, 2016. The training helped familiarize the Soldiers with the M228 grenade. (U.S. Army photo by Spc. Wilmarys Roman Rivera)

U.S Army Sgt. Taylor Atkinson, 7th Transportation Brigade (Expeditionary) cargo specialist, gives a thumbs-up to the tower signaling “all-clear”, during live M228 grenade qualification at Fort Pickett, Va., Nov. 17, 2016. When the last grenade was thrown, the lane safety NCO notified the other participants that it was safe to exit the area. (U.S. Army photo by Spc. Wilmarys Roman Rivera)

U.S. Army Sgt. Taylor Atkinson, 7th Transportation Brigade (Expeditionary) cargo specialist, briefs the company before M228 grenade training qualification at Fort Pickett, Va., Nov. 17, 2016. U.S. Army Soldiers were briefed on proper technique and safety protocols prior to conducting the live grenade qualification to ensure the safety of everyone involved. (U.S. Army photo by Spc. Wilmarys Roman Rivera)

U.S. Army Sgt. Miguel Bracer, 7th Transportation Brigade (Expeditionary) cargo specialist, throws a M228 grenade during qualification training at Fort Pickett, Va., Nov. 17, 2016. The M228 grenade fuze is equipped with a steel safety pin, pull pin and a safety clip. (U.S. Army photo by Spc. Wilmarys Roman Rivera)