United States Budgetary Costs of the Post-9/11 Wars: $5.9 Trillion Spent and Obligated - Global Research
The United States has appropriated and is obligated to spend an estimated $5.9 trillion (in current dollars) on the war on terror through Fiscal Year 2019, including direct war and war-related spending and obligations for future spending on post-9/11 war veterans (see Table 1) - 1/2