Has US achieved its war objectives in Iran?

BBC-April9th2026

Tom Bateman

In the weeks since the US and Israel launched strikes on Iran, the battle for the narrative over the war’s progress has been taking place at the heart of American military power.

From week one, I’ve been inside the Pentagon press briefings given by US Defence Secretary Pete Hegseth, the former Army National Guard Major and Fox News pundit.

From the first update to reporters, when he set out America’s war aims, until the latest which followed the announcement of a two-week truce, the man running the world’s most powerful military has brought his TV-style, on-screen monologue to the Pentagon podium.

The briefings have been chest-thumping affairs, revelling in portrayals of American military supremacy. Hegseth said on Wednesday the US had scored “a capital V military victory”. At another briefing, he said the US had dealt “death and destruction from the sky all day long”.

Getting to the truth of the war’s progress and its toll on the US, however, has taken deeper interrogation. So with a tenuous ceasefire in place that is already being tested, what can we say the US has achieved? And at what cost has it come?

Little progress on nuclear issue

President Trump’s core war goal was to deny Iran the ability to develop a nuclear weapon, something Iran has said it never planned to do.

This, however, had also been a years-long objective of US-led diplomacy. Ultimately, Trump believed the 2015 Obama-brokered global nuclear deal with Iran – the Joint Comprehensive Plan of Action (JCPOA) – was too weak.

In his first term Trump violated it, effectively pulling the US out by reapplying sanctions on Iran, which had been in compliance with the deal. This was ultimately a choice of force over diplomacy (he later killed the Islamic Revolutionary Guard Corps officer General Qasem Soleimani), setting a pattern with Tehran in which he has zigzagged between diplomatic outreach and military action. It is that pattern that culminated in the current war.

But as the tenuous ceasefire remains in place, there is little evidence of any significant result for Trump on the nuclear issue.

He said last June that Iran’s nuclear capabilities were already “obliterated” by his bombing raids on nuclear sites at Isfahan, Fordow and Natantz. After a further five weeks of war, today Iran maintains its stockpile of near-weapons grade enriched uranium which is thought to be contained in gas cylinders under rubble.

In the third week of the war, Rafael Grossi, the head of the global nuclear watchdog the IAEA, told me there could ultimately be no military solution to Iran’s nuclear ambitions.

Trump has said the US will now work “with Iran” to “dig up and remove all of the deeply buried… Nuclear Dust”. But Tehran remains defiant on this issue and it will be a decisive one in the looming negotiations between the US and Iran in Islamabad.

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