This goes for any kind of medicine. It's more dramatic, of course, when it's the kind of medicine practised in the Canadian Forces these days, with the physical injuries and mental injuries and so on.
Experience is the great teacher. Edmonton perhaps has an advantage over other areas because it has more experience. Other countries may have an advantage over Canada because they have more experience. Is the important part the sharing of that experience, helping out the Petawawas, the Gagetowns, or wherever else with what Edmonton has learned?