Meet the Terrorists Who Scare al-Qaeda

As ISIS storm across Iraq, CNN's Jonathan Mann looks at what the jihadist group has left in their wake in Syria.

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A B-52 aircraft, deployed from Team Barksdale, takes off at RAF Fairford, England, on March 28, 2019.
A combination of 45 combat videos from Iraq, most gun camera footage from Apache helicopters killing insurgents with 30mm.
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