It seems I am not alone. Allow me to quote from the Sojourners blog.
The financial cost is staggering—a new Congressional Research Service study reported that the wars in Iraq and Afghanistan now cost $12 billion per month. When that monthly price tag is compared to the $10 billion per year it would cost to educate the world's 800 million children under six years old, the contrast opens up a real debate on what truly makes for national and global security.So, yearly costs are these.
144 billion USD - Iraq and Afghan war
10 billion USD - Educate 800 million children under 6
Education will do more good in this world than fighting those two wars. And it's cheaper. This is one reason that I find this "war on terror" to be the Offensive War.