Retired Lt . Gen. Mark Hertling spent 16 months in Northern Iraq . He says he learned about the great social , geographic diversity of the region . With airstrikes , Coalition Forces may help but wo n't gain control over ISIS . Iraq : Only the Iraqi , Kurd security forces have the potential to defeat ISIS .
Retired Lt. Gen. Mark Hertling spent 16 months in Northern Iraq . He says he learned about the great social , geographic challenges of the region . U.S. airstrikes , Special Forces may help but wo n't gain victory over ISIS . Hertling : Only the Iraqi , Kurd security forces have the potential to oust ISIS .