1. It has been part of the U.S. Department of the Treasury and the U.S. Department of Transportation. Today it is part of the U.S. Department of Homeland Security during peacetime, and the U.S. Department of Defense during wartime. — Abbr. USCG.
united states coast guard
United States Coast Guard. A military service and armed-forces branch that enforces the federal laws applicable to waters subject to U.S. jurisdiction, administers laws and promulgates regulations for the safety of lives and property on waters under U.S. jurisdiction, carries out maritime rescue operations, performs oceanographic research, and at times serves as a specialized branch of the Navy. • The Coast Guard was established in 1915. 14 USCA §
