The 489th Engineer Battalion is a unit of the United States Army that specializes in engineering operations. This battalion, like other engineer units, is responsible for constructing and maintaining roads, bridges, airfields, and other crucial military infrastructure during peacetime and wartime. Its primary mission is to provide mobility, counter-mobility, survivability, and combat service support capabilities to the U.S. Army. The battalion is part of the Army National Guard and operates under the command of the U.S. Army Corps of Engineers. The 489th Engineer Battalion's activities may include tasks such as demolitions, surveying, and mapping, as well as providing engineering support to other military units. The battalion is stationed at various locations across the United States, with individual soldiers and units being deployed depending on operational needs.