With enactment of the FY2007 supplemental on May 25, 2007, Congress has approved a total of about $610 billion for military operations, base security, reconstruction, foreign aid, embassy costs, and veterans’ health care for the three operations initiated since the 9/11 attacks: Operation Enduring Freedom (OEF) Afghanistan and other counter terror operations; Operation Noble Eagle (ONE), providing enhanced security at military bases; and Operation Iraqi Freedom (OIF).

For the first half of FY2007, CRS estimates that DOD’s average monthly obligations for contracts and pay is running about $12 billion per month, well above the $8.7 billion in FY2006. For FY2007, obligations are about $10 billion in Iraq, $1.9 billion in Afghanistan, and less than $100 million for enhanced security.

The Congressional Budget Office estimates that additional war costs for the next 10 years could total about $472 billion if troop levels fall to 30,000 by 2010, or $919 billion if troop levels fall to 70,000 by about 2013. If these estimates are added to already appropriated amounts, total funding for Iraq and the GWOT could reach from about $980 billion to $1.4 trillion by 2017.