MCOINMaritime Command Operational Information Network (Canadian Navy)
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Canadian display termi nals, as a result, cannot send or receive operational messages; tactical networking requires separate consoles; and the information provided by systems like GCCS-M and the Canadian equivalent of the SIPRNET, known as MCOIN III, become effectively "stovepiped.
Any attachment must be "air-gapped" onto CWAN, which can be quite a complicated procedure, involving multiple transfers between networks (SIPRNET to NATO Information Tactical Display System to MCOIN III).
As a result, CWAN and MCOIN III are often out of date, sometimes by days.