Sure thing.
Mike is very right to say that it starts off with identifying and prioritizing what we want in this country from a security and capability perspective. Then you drive that into the outcomes you want in your procurement model. We want an outcome of maintaining a certain capability with a Canadian vendor. We want a domestic supply of x. Then you would structure your procurement. In that case, it might be acceptable to have a sole source. You might use a national security exception for that, or you may use a clause we have that's called “not in the public interest”. It's the same thing. You may choose to sole-source that because it is not in the public interest, in your national interest, to procure that in a competitive way.
You need to understand the outcome that you want first. Then you use the tools to get the desired outcome that you want.