IP Inter Populum

Jonathan W. Hackett

Jonathan W. Hackett is Senior Editor at the Irregular Warfare Initiative. Before attending Yale Law School, Jonathan served 20 years as a U.S. Marine Corps interrogator and special operations capabilities specialist in dozens of countries across four continents. His research focuses on intelligence activity, comparative politics, and complex conflicts across the longue durée. He holds advanced degrees in history, intelligence studies, and military strategy. He is the author of Theory of Irregular War (McFarland 2023) and Iran's Shadow Weapons: Intelligence Operations, Covert Action, and Unconventional Warfare (McFarland 2025).

Article

Unconquerable by Force Alone: Ottoman Campaigns in the Highlands of Yemen, 1569-71

The character of warfare is ever-changing, while terrain remains static. Nowhere is this more evident than in the unforgiving mountains of Yemen’s highlands. The...

Jonathan W. HackettDecember 3, 2025