A short article recommended via a "lurker" via a Dutch CT site that circulated it and the link is to the original publisher. The author is Craig Whiteside and his bio in part states:
Dr. Craig Whiteside is an Associate Fellow at ICCT and an Associate Professor for the Naval War College Monterey and teaches at the Naval Postgraduate School. He is a senior associate with the Center on Irregular Warfare and Armed Groups at the Naval War College in Newport, Rhode Island and lectures at the U.S. Air Force Special Operations School.
Link:https://www.iraqincontext.com/single...-the-Caliphate