According to the CATO Institute (2012), US real defense spending has roughly doubled since 2000.
Note that the US defense spending graphed in the chart above is in constant 2011 (inflation adjusted) dollars. No wonder the US is broke...
Source: Boaz, D (2012, January 11), Misleading Images on Defense Spending, CATO@Liberty.
Present exaggerated, future hypothetical
25 minutes ago