The United States Army Corps of Engineers (USACE) is a U.S. federal agency under the Department of Defense that was founded on June 16, 1775; the USACE is a major Army command made up of some 37,000 civilian and military personnel, making it one of the world's largest public-engineering, design, and construction management agencies. Although generally associated with dams, canals and flood protection in the United States, USACE is involved in a wide range of public works throughout the world. The Corps of Engineers provides outdoor recreation opportunities to the public, and provides 24% of U.S. hydropower capacity. The corps' mission is to "Deliver vital public and military engineering services; partnering in peace and war to strengthen our Nation's security, energize the economy and reduce risks from