If you don't mind, I'll start with your question.
Military capabilities are developed to respond to the worst-case threats, so attacks on North America, attacks on Canada. I said that there are no such threats today, but as I mentioned before, sometimes intent changes very quickly. There are countries that have capabilities that have no intent of threatening North America but one day could and in the past have. That's why we develop those military capabilities. You can't just invent them overnight.
Having those capabilities in a whole-of-government approach, sometimes those capabilities can be used in support of other government departments that have other mandates. This is how this actually works out. This is why the MSOCs, the marine security operations centres, allow us to have visibility of what goes on around North America for—