israeli commandos have it easy, they dont fight real troops just Arabs. kinda like sending a Canadian all star hockey team up against a British grass hockey team...
as for USA, their rep. is based solely on technology, none of them can actually fight worth a damn to all you American armed forces guys. Word is they dumbed down the physical requirements 3 times cause 60% of the Army failed and when you are an all volunteer army you take what you can get.