Most Americans have little understanding or concept of Iran’s size in terms of geography or population. The ethno-religious make-up of the sprawling Mideast/West Asian nation is also deeply important, given the US is already talking about arming and supporting some kind of Kurdish-led anti-Tehran ground operation.
Suffice it to say, Iran’s population is more than double (over 90 million people) that of neighboring Iraq’s. Iran is also the size of almost half the European continent. All of this is crucial for attempting to visualize what American military escalation there might mean, given the Trump White House has not ruled out American boots on the ground amid the unfolding ‘Operation Epic Fury’. Consider: the US spent two blood-soaked decades occupying Iraq (again, significantly smaller than the Islamic Republic). Russia has spent over four years on its military operation in Ukraine, and Iran dwarfs Ukraine in size.
Size of Iran vs. Alaska (with the continental USA for scale). Imagine a war that covered some nearly one-third of the continental United States, and and outside force trying to pacify a population of 90 million within that vast geography.