The United States is not used to losing. Whether we're talking sports, military conflicts, cultural exports, economic power, you name it, the US has been without doubt the most successful country in the world over the last couple of centuries.
That said, it has over-reached itself a few times, especially militarily. The War of 1812 with Canada, Vietnam in the 1960s and 70s, Afghanistan in the 2000s and 2010s, arguably even Iraq in the 2000s - these were all either American losses or at least stalemates that did not achieve their objectives.
Is Iran 2026 another such failure?
There are arguments to say so. While Donald Trump has claimed overwhelming victory almost since Day 1 and at least a dozen times since, no-one really believes that guy. Although Trump has repeatedly claimed that Iran's military capabilities have been "obliterated" (his favourite word after "tariffs"), other sources suggest that Iran has retained or restored operational access to 30 of its 33 missile sites along the Strait of Hormuz, and that it retains about 70% of its mobile launchers and it's pre-war missile stockpiles.
Trump seems to be dialling back his earlier insistence that he needs Iran's nuclear stockpiles, or that at the very least they should be destroyed. And while the US "took out" Ayatollah Ali Khomeini early on in the action, Iran has seamlessly replaced him with his son, and the regime has continued essentially unchanged. The Strait of Hormuz is still far from "open". Iran remains a key player in the Middle East.
Of course, part of the problem here is establishing what would constitute an American victory, as Trump and his whole administration seem a bit confused about what the actual goals of the engagement are or were. Success and failure are therefore pretty hard to pin down. Also, as has been argued by better men than me, military leaders rarely actually admit defeat: their whole credibility rests on success.
Either way, whether you believe the USA has won the Iran war or not, Iran certainly believes - and with some justification - that it has not lost it. Iran has, at the very least, made America look like what the Chinese like to call a "paper tiger". People are muttering, online and in the street, that the US will not soon recover from this set-back.