US intelligence businesses have just lately assessed that Iran can successfully shut down entry to the Strait of Hormuz at will from now on, which means the nation’s regime has acquired a strong new capability to harm the world economic system consequently of the conflict, based on three sources acquainted with the findings.

Regardless of the framework settlement that is because of be formally signed on Friday to open the key waterway as a prelude to nuclear talks, Iran proved it can shut off entry to the strait throughout the present battle and US intelligence assessments recommend that would occur once more.

“We have now handed Iran de facto control over the strait – a weapon more powerful than any nuke,” one of the sources acquainted with the US intelligence assessments informed NCS, emphasizing how the conflict has basically altered Tehran’s excited about leveraging comparable ways in the future.

Iran has equally realized it can leverage focused strikes towards the power infrastructure of Gulf nations as an uneven functionality after doing so to nice impact throughout the conflict, one other device it can use to its benefit going ahead, a second supply acquainted with the assessments stated.

The US has needed to negotiate with Iran intensively to completely re-open the strait, underscoring the Iranians’ continued leverage.

NCS approached the White House and the Office of the Director of National Intelligence for remark.

A senior US official informed NCS that Iran can’t entry “any benefits” of the framework settlement until the strait stays open and it abides by the different factors it agreed to. The senior official didn’t element what these advantages are, however defined that the US will wind down its blockade in proportion with Iran restoring visitors in the strait. If Iran “performs, the relief follows and American leverage holds the entire way”, the senior official added.

Another supply acquainted with the framework settlement additionally acknowledged to NCS that Iran tried to subvert the free movement of power in the strait but it surely upset China and Gulf nations in the course of. “Iran pays a price when they do this,” the supply added, noting any try to successfully shut the strait in the future would carry self-inflicted penalties.

Uncertainty over what’s in the settlement and different dangers are additionally more likely to preserve visitors via the essential chokepoint to a trickle for weeks or months, based on delivery business officers and consultants who observe ship actions.

One of the important causes Iran believes it can proceed to weaponize the strait is it nonetheless retains a significant portion of its weapons stockpile, together with missiles, drones, missile launchers, and a whole bunch of small quick boats that proceed to harass shippers trying to transit the waterway and can be used to put mines. Iran has additionally been rebuilding its navy industrial base sooner than the US anticipated and has already begun new drone manufacturing, NCS has reported.

There have been discussions that allies could police the strait ultimately as soon as it’s open, however at the second it’s unclear how that may work and the newest intel assessments take that chance into consideration, the sources stated.

And whilst the two sides seem to have signed an settlement that may reopen the strait and finish the present battle, a number of sources stated Iran has been plotting an financial “nuclear option” if negotiations with the US collapse: getting the Houthis, the Iranians’ chief proxy pressure in Yemen, to shut the Bab-el-Mandeb strait, which connects the Red Sea to the Indian Ocean — one other world commerce chokepoint that has served as a delivery lifeline amid Iran’s months-long closure of the Strait of Hormuz.

An aerial view of the Bab el-Mandeb Strait.

Taken collectively, the current US intelligence assessments underscore the lasting influence of President Donald Trump’s resolution to provoke the battle with out absolutely accounting for Iran’s willingness to shut the Strait of Hormuz and lift contemporary questions on Tehran’s capability to weaponize the world economic system going ahead — an issue that extends past the scope of any framework settlement between the two nations which will reopen the key waterway.

In the time since Iran moved to shut the strait, US intelligence businesses have been constantly reassessing how and below what circumstances they could attempt to use that very same lever in the future, based on three sources acquainted with the assessments.

While there’s not at the moment a consensus inside the intelligence neighborhood, a number of sources acquainted with the US assessments stated Iran has been emboldened by the truth it was in a position to each shut the strait and goal the power infrastructure of Gulf nations with out expending vital capabilities.

And now that Iran has confirmed it has credible intent and functionality to shut the strait — some US officers say they’re extra more likely to take that step in the future, two of the sources acquainted with US intelligence stated.

On Monday, a senior administration official stated that the intention is “to create a mechanism that makes it impossible” for the strait to be closed once more.

Vice President JD Vance informed NCS’s Jake Tapper on Monday that he believes one of the causes Iran was keen attain a framework settlement with the US is “they recognize they’re losing that leverage over the Strait of Hormuz.”

Earlier on Monday, Trump stated that the strait is “already partially opened” and that it will absolutely open Friday, when the US and Iran are set to formally signal a memorandum of understanding.

“They’re doing a little hunting for a couple of mines that they’ve already found, but … ships are starting to go out now,” Trump stated throughout a gathering with French President Emmanuel Macron at the G7 summit. “On Friday, it’ll be completely open.”

“I don’t think we’re going to need much help, because we have an agreement where it’s going to be open, and it’s toll-free. We had a little argument on that; it’s toll-free,” Trump added.

But he has stated little about how any deal would possibly stop Iran from taking comparable steps to shut the strait in the future, significantly as soon as the US lifts its naval blockade and, finally, returns to a extra regular pressure posture in the area.

Iran had lengthy threatened to shut down the strait in response to an assault by overseas adversaries, together with the US and Israel, however had not demonstrated the capability to efficiently accomplish that previous to Trump’s resolution to launch fight operations together with Israel earlier this 12 months.

One motive the Trump administration underestimated Iran’s willingness to shut the strait earlier this 12 months, a number of sources beforehand stated, was officers believed doing so would damage Iran greater than the US — a view that was bolstered by Iran’s empty threats to behave in the strait after US strikes on Iranian nuclear amenities final summer season.

This satellite image shows the Fordow nuclear facility in Iran on June 24, 2025. The image shows new damage to the facility caused by June 23 strikes, including craters along the access roads that lead to the tunnel entrances and the Fordow underground complex.

Top Trump officers have been additionally assured that China would in the end use its affect over Iran to stop it from successfully closing the strait.

As a end result, the Trump administration determined to prioritize US strikes towards Iranian navy targets reasonably than dedicate belongings to deterring Iran from trying to successfully shut the Strait of Hormuz, two of the sources acquainted with the planning discussions at the time stated.

But days into the battle, it was clear the Trump administration miscalculated.

“Losing control of the strait will be the biggest blunder of this era because it is a card the US cannot counter without going all in,” a fourth supply concerned with the navy planning for the conflict stated. “Now there is no way to undo the strait without amassing a massive force.”

US officers now consider that Iran in the end closed the strait in response to Trump’s early assertion declaring the aim of the conflict was to topple the regime — viewing it as an existential menace that warranted escalating in an unprecedented approach, the second supply stated.

The identical supply famous that Iran didn’t instantly take that step when bombs have been dropped however reasonably waited a couple of days till they believed they knew what the true US goal was.

“Iran was deliberate in how they escalated,” the supply added.

At this stage, the Iranians are calibrating their actions, all the sources stated and it’s unclear how the framework settlement that is because of be formally signed in Geneva will change the image.

But it’s clear Iran has acquired vital leverage with its confirmed capability to shut the strait.

Iran additionally is aware of it can get the Houthis to shut down Bab-el-Mandeb however they’re conscious taking such drastic motion would derail the diplomatic course of with nuclear talks because of start, one of the sources famous.

Shutting Bab-el-Mandeb down, mixed with shutting down the Strait of Hormuz would utterly blow up the world economic system, the identical supply stated.

The second supply acquainted with current US intelligence assessments informed NCS it’s notable that the Houthis haven’t resumed large-scale assaults towards US or different European vessels however have stated that any Israeli-flagged or owned ships are honest sport. Expanding the scope of potential targets past Israeli vessels would symbolize a critical escalation, the supply famous.

The Iranians have solely held again thus far from enlisting the Houthis to take that step, the sources stated, as a result of they understand it might derail ongoing peace talks.

But it stays a card Iran might play if the pursuit of a deal falls aside and the US resumes full fight operations — one thing Trump has been cautious to do.



Sources

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