That's a great question and definitely one that other people are far more knowledgeable about in terms of exactly building that structure.
What I will say, though, is that we need to identify the core capabilities that we require. We need to identify who has them already so that we're not duplicating effort. The last thing we want is for everybody to show up to a disaster with a left-handed screwdriver when what we really need is a hammer.
We need to be able to identify what those core capabilities are and then leverage the skill sets that people already have, that already exist, and coordinate that: identifying the capabilities, identifying a coordination mechanism—and that will necessarily involve the government, it will involve civil society and it will involve the military at some point—and then determining how we most cost-effectively fund that model.
The other piece that it will require is bringing in the post-secondaries to be able to actually support the training and the ongoing professionalization of the field. That's where I would start.