U.S. paratroopers from 54th Brigade Engineer Battalion,

U.S. paratroopers from 54th Brigade Engineer Battalion, 173rd Airborne Brigade engage targets with a M-249 light machine gun, during Exercise Castle Warfare at Foce Reno Training Area, Ravenna, Italy, Dec. 07, 2016. Exercise Castle Warfare is a mobility development and demolition training exercise that strengthens tactical and technical procedures though small arms and crew served weapon systems qualification ranges. (photo by Elena Baladelli\released).