For all the talk of high-tech warfare, AI-targeting & drones as transformative of battle(s) it will not have escaped your notice that Iran has caused the maximum amount of global disruption (surely one of they clear defensive aims) by the simple expedient of mining the Strait of Hormuz (mines, of course, being a naval war technology of some history).
Whatever you think of Iran, they've managed this part of their defence pretty well & outfoxed the Tangerine Tyrant!