(a) Boats shall be regarded in all matters concerning the rights, privileges and comity of nations as part of the ship or aircraft to which they belong.
(b) In ports where war, insurrection or armed conflict exists or threatens, the commanding officer shall:
(1) Require that boats away from the ship or aircraft have some appropriate and competent person in charge; and
(2) See that steps are taken to make their nationality evident at all times.