Staff Sgt. Xavier Graciani, a security forces technician assigned to the 180th Fighter Wing in Swanton, Ohio, uses a marker to review his target during a live-fire training exercise at the Fort Custer Training Center in Battle Creek, Michigan, April 19, 2018. Airmen conducted training on the M249 Squad Automatic Weapon, M240-B medium machine gun, M203 under-barrel grenade launcher and the M4 carbine. (U.S. Air National Guard photo by Staff Sgt. John Wilkes)