Between Iraq and Afghanistan, there are up to 400,000 Americans who’ve suffered traumatic brain injuries from battling IED’s and other aspects of American counterinsurgency wars. In addition to the untold human suffering from these traumatic brain injuries, RAND states“Estimates of the total one-year societal cost of the roughly 2,700 cases of traumatic brain injury identified to date range from $591 million to $910 million.” Do the math for 400,000 Americans who’ve suffered TBI, and be sure to calculate the emotional and psychological toll as well.