ISIS' Defensive Operations in Mosul Tough for Any Army to Beat, Official Says
By Terri Moon Cronk
WASHINGTON, July 21, 2017 — The operation to liberate Mosul from the grasp of the Islamic State of Iraq and Syria was difficult because ISIS had two to three years to prepare its defense of Iraq's second-largest city, an Operation Inherent Resolve task force commander told Pentagon reporters via teleconference from Iraq today.
"It was a defense that any army would have a hard time defeating," said Army Col. Pat Work, commander of the 82nd Airborne Division's 2nd Brigade Combat Team, who also commands Task Force Falcon in the effort to defeat ISIS.
https://www.defense.gov/News/Article/Article/1254852/isis-defensive-operations-in-mosul-tough-for-any-army-to-beat-official-says/