32 C.F.R. § 525.3
(a) General.
(b) Aliens and permanent resident aliens.
(e) Entrance to other areas of the Trust Territory. No person, unless a citizen, national, or permanent resident alien of the Marshall Islands, will be permitted to debark at Kwajalein Missile Range for the purpose of transiting to areas under the jurisdiction of the Republic of the Marshall Islands without possessing a permit issued by its Chief of Immigration.
Address: Chief of Immigration, Office of the Attorney General, Republic of the Marshall Islands, Majuro, MI 96960.