The 159th Engineer Group is a military unit under the United States Army National Guard. This engineering organization, primarily based in Springfield, Missouri, performs various construction and engineering tasks to support military operations, both domestically and overseas. These duties may include constructing or repairing roads, bridges, airfields, and other infrastructure crucial for military activities. The 159th Engineer Group's contributions extend beyond its local area, as it is part of the broader North American Aerospace Defense Command (NORAD) network.