Marine reinforcements fly towards an area somewhere near Kandahar December 10, 2001. The Marines have pushed closer to Kandahar to continue their mission of interdicting lines of escape. REUTERS/POOL//Earnie Grafton, The San Diego Union-Tribune DPW/WS
New post-9/11 wars cost estimate: $8 trillion

The US military role in Afghanistan is over, but the costs will continue to mount as the forever wars rage on.

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