I think it's a really important thing. Remember, it is a binational arrangement, but you have Greenland and Iceland, and, as I mentioned in my opening comments, part of the track now—which didn't exist in the Cold War—because of technology, brings the direct threat down the eastern approaches of the North Atlantic between Greenland and Iceland. Those need to be integrated into our defence system.
Historically, that part of the North American defence component was NATO, but, by and large, it was bilateral between the United States and Greenland and Denmark, with the Thule radar, for example. There were also American relations with Iceland on the defence side, so it was sort of pushed to the side. Because of the integrated nature of this threat environment, I think it's vitally important that Canada and the United States engage Greenland, Denmark and Iceland and begin to integrate a system of systems—we talk about that for the Arctic—for surveillance to make sure they're integrated into North America. As I said, those approaches are the front door to North America but they're the back door to Europe.