Плакат "This Vessel or Facility is currently operating at MARSEC Level 3"

Плакат на английском языке.
This safety sign reads:
This Vessel or Facility is currently operating at MARSEC Level 3
Security Level
Further specific protective security measures shall be maintained for a limited period of time when a transportation security incident is probable or imminent, although it may not be possible to identify the specific target.
MARSEC Level 3 corresponds to the Homeland Security Advisory System Red.
Report transportation security incidents or suspicious people, objects or activities to: U.S.C.G National Response Centre 1-800-424-8802.