In "Private Warriors," FRONTLINE correspondent Martin Smith travels throughout Kuwait and Iraq to give viewers an unprecedented behind-the-scenes look at companies like Kellogg, Brown & Root, a Halliburton subsidiary, and its civilian army. KBR has 50,000 employees in Iraq and Kuwait that run U.S. military supply lines and operate U.S. military bases. KBR is also the largest contractor in Iraq, providing the Army with $11.84 billion dollars in services since 2002.

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