That's an excellent point, sir. Russia and China have both been engaged, since 2007, in a court case before the United Nations, in which they do not recognize a significant portion of Canada's claims to the Arctic seabed. If they don't recognize it, then they could challenge us, just by having their exploration vessels show up in our waters. We have no permanently deployed naval forces to challenge them. That, in itself, is a huge risk.
By the way, Russia and China have recently formed an entente on Arctic exploitation, and China has articulated its vision for including an Arctic passage in its belt and road initiative.