For decades, a U.S. ground invasion of Iran was treated as the outer limit of escalation, too costly to launch and too destabilizing to sustain. That assumption is now eroding. As the U.S.-Israeli war against Iran intensifies, what once seemed unthinkable has become increasingly plausible. The question is no longer simply whether a ground invasion is possible, but where it could begin and whether it could achieve strategic results. At first glance, Iran’s periphery seems to offer multiple entry