The 174th Infantry Brigade is an infantry brigade of the United States Army based at Fort Drum, New York. A U.S. Army Reserve training unit, the brigade provides operational training readiness for units in the First Army. Tracing its lineage back to the American Civil War, the brigade was deployed for both World War I and World War II. Reorganized and redesignated numerous times, the 174th Infantry Brigade has been a reserve unit of the United States Army for most of its existence, seeing only short stints in the Active Duty forces and a combat role.