We are trying. Harper is trying to get more ports and equipment out there. Perhaps we should negotiate in good faith with the US to divide it all and tell the Russians to pound vodka. China is also trying to needle it little head in there too.
I read just last year that the Canadian Rangers are going to get .308 caliber rifles and will trade in their SMLEs.
America has some differences of opinion with Canada over their claims to Arctic sovereignty too, though likely not as problematic.