I wrote about this proverbial "bang for the buck" here from the inception of this blog. Enough to recall this and this, among many other posts here which are dedicated to a military capability. I am not the only one who stresses this issue of "bang for the buck" constantly. In the end, warfare is not a linear affair, as was stated here many times and military capability counts only insofar as "compelling the enemy to do our will" goes, as good ole' chum Clausewitz noted. Here is one day old piece by William Engdahl with the title which speak for itself.