On the question of vulnerabilities, I would say that Canada has, in Canada's Arctic, all the access that it needs, much more so than anyone else would. We have RADARSAT Constellation imagery 16, 17 or 20 times a day, so we know what's happening up there. That's not to say there isn't value for infrastructure and for increased opportunities for surveillance, which we will get ultimately through acquisitions. I don't know that there is an imminent risk of sovereignty issues in the north.
The one thing that we do see, Mr. Doherty, is normal ADIZ incursions by Russian Federation aircraft, which are met with by NORAD on a very routine basis.