One Pair of US Army Corps of Engineers, Gold Cuff Links

The United States Army Corps of Engineers (USACE) is a federal agency and a major Army command made up of some 34,600 civilian and 650 military personnel,[1] making it the world's largest public engineering, design and construction management agency. Although generally associated with dams, canals and flood protection in the United States, USACE is involved in a wide range of public works support to the nation and the Department of Defense throughout the world. Source: Wikopedia