Slight Differences. You might want to also take a look at the Canadian Soldier's Webmaster's books. You should be able to find them somewhere on that site:
http://www.canadiansoldiers.com/medi...27s_References
The book I am thinking of, but can't remember the name, is basically strickly about the Canadian Uniform and Equipment. Probably Tangled Web or Pat 37? I'm too lazy to check