U.S. advisers stay out of harm's way in Iraq

In a concerted effort to avoid combat, U.S. advisers in Iraq are pioneering new techniques for calling in airstrikes against Islamic State militants. The procedures allow U.S. pilots to bomb targets without the need for U.S. advisers on the ground to work alongside Iraqi forces. U.S. military officials say the techniques include low-tech workarounds, such as Iraqi commanders using cellphones to request airstrikes.

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