Circle of Light A National Guard soldier demonstrates light signals during live-fire training at Camp Shelby, Miss., Jan. 21, 2019, during Southern Strike 2019, a multinational combat exercise that provides tactical level training. SHARE: Download: Full Size (2.97 MB) Tags: Army, Southern Strike 2019 Credit: Air National Guard Staff Sgt. Christopher Muncy VIRIN: 190121-Z-SV144-012C.JPG Photo Gallery