A new report shows that the true costs of war are much higher than reported by the Pentagon.

U.S. Spent $5.6 Trillion on Wars Since 9/11, More Than Three Times What Pentagon Estimates

A U.S. Marine from 2nd Marine Expeditionary Brigade, RCT 2nd Battalion 8th Marines Echo Co. takes up a fighting position after off loading from a helicopter during the start of Operation Khanjari on July 2, 2009 in Main Poshteh, Afghanistan. (Photo by Joe