Johnston Atoll and Kingman Reef are Naval Defensive Sea Areas and Air Space Reservations.  Regulations are published in National Geospatial-Intelligence Agency SD Pub 126.See ENC US3SP40M and Chart 83153 respectively for larger scale coverage. For prohibited area on O'ahu see ENC US4HA51M, and on Kaua'I see ENC US4HA61M.
