An AN/TWQ-1 Avenger with the 1st Battalion, 204th Air Defense Artillery Regiment of the Mississippi Army National Guard fires a Stinger missile at a drone during a live fire exercise at Fort Bliss, Texas, at dusk on Oct. 7, 2015. Approximately 170 Soldiers of the 204th, headquartered in Newton, Miss., are mobilized to protect and guard the skies and no-fly zones of Washington, D.C. (Mississippi National Guard photo by Staff Sgt. Scott Tynes, 102nd Public Affairs Detachment/Released)