The service has participated in every major U.S. conflict from 1790 through today, including landing troops on D-Day and on the Pacific Islands in World War II, in extensive patrols and shore bombardment during the Vietnam War, and multiple roles in Operation Iraqi Freedom.
Further law enforcement authority is given by and , which empower U.S. Coast Guard active and reserve commissioned officers, warrant officers, and petty officers as federal customs officers [REF].