Yet with the Iran war, the U.S. military is once again waging a largely conventional campaign against an enemy that excels in unconventional tactics, as the Pentagon has long known. Iran has also used relatively low-cost drones to carry out attacks against U.S. troops and partner nations in the Middle East. “So, what you’re seeing right now is the U.S. is fighting a conventional war against Iran,” Schroden told Task & Purpose. Iran’s theory of success in this war is to impose costs and to outlast the U.S. in time. The battle for the Strait of HormuzAt present, the focal point of the Iran war is the Strait of Hormuz, an economically vital waterway.