The United States Army Corps of Engineers (USACE) is a federal agency under the Department of Defense that provides engineering services to the nation. Established in 1775, its primary mission includes managing water resources, constructing infrastructure, and supporting disaster response efforts. The Corps plays a vital role in flood control, navigation, and environmental restoration. USACE is involved in various projects, including building dams, levees, and ports. It also works on ecosystem restoration and maintaining waterways to ensure safe navigation. The agency collaborates with local governments and communities to address their engineering and environmental needs effectively.