CNBC-

he collective wars in Afghanistan, Iraq and Syria have cost U.S. taxpayers more than $1.5 trillion since Sept. 11, 2001, according to a Defense Department report.

The current U.S. military operations, designated Operation Freedom’s Sentinel in Afghanistan, Operation Inherent Resolve in Syria and Iraq, and Operation Noble Eagle for homeland security missions in the U.S. and Canada, have accounted for $185.5 billion of that sum.

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