If I might, Mr. Chairman, I'll answer and maybe General Rousseau will want to jump in. I mentioned previously—sorry, Mr. Harris—one of the interesting things was that NORAD expanded to look at maritime domain awareness too, which is very good because that brings the combined resources of Canada and the United States to that effort.
In terms of looking out, we also have our marine security operation centres on the east and west coasts, and also in the Great Lakes area. If we look to the Arctic, for example, we have manned overflight and surveillance and stuff at the moment. We will be launching in 2018 RADARSAT Constellation, which will give us visibility four times a day on the Arctic approaches. I'm not sure that a military person would ever say you have enough domain awareness, but certainly we're investing, and I think we have a pretty good sense of what's going on.