The United States Coast Guard, one of the country's five armed services, is a unique agency of the federal government. We trace our history back to 4 August 1790, when the first Congress authorized the construction of ten vessels to enforce tariff and trade laws and to prevent smuggling. The Coast Guard is one of the oldest organizations of the federal government and, until the Navy Department was established in 1798, we served as the nation's only armed force afloat. To learn more, visit http://www.uscg.mil/history/