Army Spc. Arturo Dominguez, a native of Okeechobee,

Army Spc. Arturo Dominguez, a native of Okeechobee, Fla., assigned to Charlie Troop, 1st Squadron, 40th Cavalry Regiment (Airborne), 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division, U.S. Army Alaska, fires at a target in the prone position with his M110 Semi-Automatic Sniper System on Statler range at Joint Base Elmendorf-Richardson, Alaska, April 6, 2018, during marksmanship training. A sniper's main responsibility is to deliver discriminatory, highly accurate rifle fire against enemy targets that cannot be engaged successfully by the regular rifleman due to range, size, location, fleeting nature, or visibility. (U.S. Air Force photo/Justin Connaher)