Again, it goes back to the type of contract they're employed under: reserve class A, B or C. Were they on an authorized function on behalf of the Canadian Armed Forces? These things will be the primary determinants as to whether not the illness or injuries can be attributable to service. It's much the same as anyone else. Again, it's up to the Canadian rangers instructor, the only person left out there, to make sure that all that happened at the same time.
On October 16th, 2018. See this statement in context.