U.S. Soldiers with the 1st Battalion, 296th Infantry Regiment, 101st Troop Command, Puerto Rico Army National Guard adjusts the deflection and elevation of a 81mm mortar prior to a training fire mission at Camp Santiago Joint Maneuver Training Center in Salinas, Puerto Rico, July 15, 2013. Members assigned to the 1st Battalion, 296th Infantry Regiment are undergoing their 2013 annual training to hone and maintain their proficiency in the equipment assigned to them. (U.S. Army National Guard photo by Staff Sgt. Joseph Rivera Rebolledo/Released)