ISIS uses drones to gather overhead intel and effectively commandeers military vehicles

ISIS appeared to have a sophisticated and well thought-out plan for establishing its "Islamic Caliphate" from northern Syria across the western and northern deserts of Iraq, many experts and officials have said, and support from hostage-taking, robbery and sympathetic donations to fund it. They use drones to gather overhead intel on targets and effectively commandeer captured military vehicles – including American Humvees -- and munitions.

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ISIS an 'Incredible' Fighting Force, US Special Ops Sources Say

This is the first article that I have heard that ISIS is using drones to gather intel. However, likely they are using the smaller multi-oppossable blade  helicopter type versions with live video feed radioed to another source in case the drone gets shot down.