This is a boots-on-the-ground account of America's growing dependence on the military to manage world affairs. It describes a clash of culture and purpose through the eyes of soldiers and officers themselves. In the aftermath of September 11, this trend has only accelerated, as the country turns to its warriors to solve the complex international challenges ahead. People in the military understand that they are on an unheralded, unnamed mission - "The Mission" - one largely unknown to most Americans.