"Assistance in emergencies United States States." . . "Civil defense." . . . . . . . . . . . . . . . . . . . "Responsibilities and authorities" . "Responsibilities and authorities"@en . . . . . . . . "Assistance in emergencies U.S. states." . . "United States. Defense Civil Preparedness Agency." . . "Civil defense United States." . . "United States." . .