At the Standing Committee on National Defence, on which I also sit, we are discussing Arctic security. The territory to be protected is huge, and its effective occupation is quite difficult.
However, I would point out that, politically, the United States doesn't even consider the Northwest Passage to be part of Canadian territorial waters.
Is there any work to be done with our allies to politically protect this passage, which may be used even more in the future, especially by science-based vessels, but also by Chinese military vessels?