Welcome to the Old United States Coast Guard Cutter Alert WSC-127. - Launched November 30, 1926 - Prohibition enforcement 1927-1931 - Bering Sea Patrol 1931-1940 1942-1945 assigned to the United States Navy as a sub-chaser. - Decomissioned from USCG January 10, 1969 - The Alert is the oldest operational, engine-driven, ex-United States military combat ship in the world.