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)