coast guards
Military or naval forces that enforce a nation's maritime laws, assist vessels wrecked or in distress on or near its coasts, and in some countries maintain aids to navigation, prevent smuggling, and in wartime augment the regular navy.
Military or naval forces that enforce a nation's maritime laws, assist vessels wrecked or in distress on or near its coasts, and in some countries maintain aids to navigation, prevent smuggling, and in wartime augment the regular navy.