The 115th Field Artillery Brigade is a U.S. Army unit under the Ohio National Guard. This brigade specializes in field artillery operations, providing indirect fire support to maneuver forces. Its lineage dates back to 1917 during World War I, making it one of the older units within the U.S. Army. The brigade is headquartered in Columbus, Ohio, and its primary mission includes training and deploying ready forces to support state and national objectives. Throughout its history, the 115th Field Artillery Brigade has participated in numerous operations, both domestic and abroad.