Marines fire an illumination round from an M777A2 lightweight 155 mm during live-fire artillery training Sept. 1 at the Yausubetsu Maneuver Area in Hokkaido as part of Artillery Relocation Training Program 14-2. The illumination round is able to light a 1-by-1-kilometer grid square for two minutes. The Marines are with Battery B, 1st Battalion, 12th Marine Regiment, currently assigned to 3rd Battalion, 12th Marines, 3rd Marine Division, III Marine Expeditionary Force. - Marines fire an illumination round from an M777A2 lightweight 155 mm during live-fire artillery training Sept. 1 at the Yausubetsu Maneuver Area in Hokkaido as part of Artillery Relocation Training Program 14-2. The illumination round is able to light a 1-by-1-kilometer grid square for two minutes. The Marines are with Battery B, 1st Battalion, 12th Marine Regiment, currently assigned to 3rd Battalion, 12th Marines, 3rd Marine Division, III Marine Expeditionary Force.