From that perspective, I would say the threat continues to be low. Certainly to come into the Arctic on the ground or the sea would be very difficult. Through the air is a little bit different, but we don't anticipate any major air incursions. That said, and as you remarked, Russia has certainly been a lot more active than it has ever been since the end of the Cold War. This year has been probably the most active time. I think you've seen that from Russia throughout the world. Recently they flew a couple of Bear bombers through the English Channel. They're certainly very active down around Japan and Korea as well, and we see the same in the north.
They do fly up into our northern area. They come into the Canadian air defence identification zone. They don't actually come into Canadian sovereign territory, but they will get as close as 40 to 50 miles off our coast. We're very cognizant of that. We certainly intend to protect our sovereignty and therefore we do scramble fighters, or locate them at some of our forward operating locations, to make sure the Russians know we're there and are willing to protect our sovereignty.