Trump’s Plan to Open the Strait of Hormuz? Close It

Summary

Podcast Summary: Big Take – "Trump’s Plan to Open the Strait of Hormuz? Close It"

Date: April 14, 2026
Host: Sarah Holder (Bloomberg News)
Guests: Becca Wasser (Defense lead, Bloomberg Economics), Patrick Sykes (Middle East Breaking News Editor, Bloomberg)

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Episode Overview

This episode of the Big Take unpacks the sudden and high-stakes US naval blockade imposed at the Strait of Hormuz under President Trump, examining its operational details, strategic aims, risks of escalation, and ripple effects on global oil supplies and Iran-US peace negotiations. With the ceasefire between the US and Iran about to expire and recent peace talks in Pakistan stalling, the US has pivoted to a pressure campaign intended to force Iran’s hand at the negotiating table—even if it means severely disrupting one of the world’s most crucial maritime chokepoints.

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Key Discussion Points & Insights

1. Background: Ceasefire and Blockade Announcement

• [02:08] Ceasefire is expiring soon, recent talks were inconclusive.
• [02:27] President Trump announces the start of the US blockade at the Strait of Hormuz. The move dramatically ups the ante, with threats that any aggression from Iran will be met with force.
• Memorable moment:
  “President Trump announcing that any Iranian who fires at us or at peaceful vessels will be blown to hell.”
  —Becca Wasser [02:35]

2. Operational Aspects of the Blockade

• [04:27] The official stance from US Central Command differs from Trump’s rhetoric:
  • Central Command blockades maritime traffic intending to enter Iranian ports, enforced outside the strait (Gulf of Oman/Arabian Sea), not right in the chokepoint.
  • [05:07] 15 ships are reportedly being deployed, but the blockade is about maritime monitoring, surveillance, and targeted interdictions—less a physical wall than a persistent presence with enforcement deterrence.
• “You are going to have constant monitoring... And whenever there’s any vessel that the US thinks might be headed for Iran... they will try and get more information, but also issue warnings... it could be boarded and eventually seized.”
  —Becca Wasser [05:15]

3. Iran’s Potential Responses & Escalation Risks

• [06:25] Blockade is technically an act of war; Iran could retaliate by striking Gulf ports or infrastructure.
• However, the US has kept its warships in less vulnerable waters to mitigate risks and, possibly, keep diplomatic options open.
• “A blockade is technically an act of war, and there’s a high chance that Iran sees it that way.”
  —Becca Wasser [06:25]

4. US Enforcement Strategy and Global Implications

• [07:40] Uncertainty remains whether enforcement will stick to Central Command’s narrow definition or Trump’s initial global, maximalist approach.
  • Expanding interdiction to international waters (e.g., targeting “shadow fleet” tankers shipping oil to China) opens major new risks.
• “If that’s the case, then you’re likely to see a lot more US operations outside the Middle East… That in itself opens up potential host of other questions as well as potential risks.”
  —Becca Wasser [07:40]

5. Logic of Closing the Strait to Open It

• [08:47] US aims to pressure Iran by economically strangling its oil exports, forcing them to the negotiating table or compelling concessions.
• This “counter-blockade” is meant to mirror and neutralize Iran’s own threats to global oil markets.

6. Geopolitical and Economic Stakes

• [09:38] Closure has already disrupted global oil supply, becoming a central issue in ongoing US-Iran talks.

• The US strategy is to cut off Iran’s recent financial gains from oil sales under the cover of instability, denying Iran asymmetric leverage.

• “The US, in doing this latest move, is trying to cut off at least a new flow of cash to Iran that it’s been able to generate.”
  —Patrick Sykes [10:40]

7. Comparisons: Blockade vs. Ground Invasion

• [12:19] The blockade is seen as a way to escalate pressure without the risks of a ground war.
• “That’s the ‘beauty’ of the campaign so far — from a relative distance and with relatively few casualties… They were able to cause widespread destruction to the enemy. That whole equation changes if you’re there on the ground.”
  —Patrick Sykes [12:40]
• The blockade could suffer from reputational or military risks if ships challenge US authority (as seen with Venezuela previously).

8. Iran’s Calculations and Economic Pressures

• [13:57] Iran appears willing (for the short term) to weather the blockade, banking on a quick return to negotiations and calculating US domestic impatience with high oil prices.
• Iran’s economy is already battered, but both sides seem to be timing their moves around next week’s ceasefire expiry.

9. State of Negotiations

• [15:30] Structural progress noted: First round of direct, high-level talks between US and Iranian officials in decades.
• “It is extremely rare for the speaker of the Parliament… to be there on the other side of the table as the American Vice President. That in itself was remarkable.”
  —Patrick Sykes [15:34]

10. Israel’s Role and Regional Dynamics

• [16:21] Iran has demanded that Israel stop attacking Lebanon as a condition for further talks.

• Iran is positioning an end to Israeli attacks (and those from regional proxies) as central to a wider “peace dividend,” leveraging solidarity with allied militias such as Hezbollah and the Houthis.

• “Iran wants this to be the end of not just the conflict in Iran right now, but the end of future aggression both against Iran and against those regional allied militias that it has, like Hezbollah in Lebanon, like the Houthis in Yemen…”
  —Patrick Sykes [16:43]

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Notable Quotes

• “President Trump announcing that any Iranian who fires at us or at peaceful vessels will be blown to hell.”
  —Becca Wasser [02:35]

• "A blockade is technically an act of war, and there’s a high chance that Iran sees it that way.”
  —Becca Wasser [06:25]

• “The US, in doing this latest move, is trying to cut off at least a new flow of cash to Iran that it’s been able to generate.”
  —Patrick Sykes [10:40]

• "That’s the 'beauty' of the campaign so far—from a relative distance and with relatively few... casualties, they were able to cause widespread destruction to the enemy."
  —Patrick Sykes [12:40]

• “It is extremely rare for the speaker of the Parliament… to be there on the other side of the table as the American Vice President. That in itself was remarkable.”
  —Patrick Sykes [15:34]

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Important Timestamps

• 02:08 – Ceasefire expiration context and beginning of the blockade
• 04:27-06:21 – Technical definition, deployment, and enforcement of blockade
• 07:40-08:47 – Unknowns in enforcement and logic of “closing to open”
• 09:38-11:39 – Blockade as negotiation pressure and economic warfare
• 12:19-13:57 – Escalation risks, ground invasion vs maritime tactics
• 15:30-16:21 – Progress in Iran-US negotiations, Israel and proxies’ involvement

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Tone and Takeaway

The episode features measured, analytical insights from Bloomberg’s military and geopolitical reporters, focusing on the logic, risks, and regional implications of the US blockade. There is acknowledgment of the unprecedented nature of both the blockade and the accompanying high-level US-Iran talks, as well as a sobering recognition of how delicate and potentially explosive the situation remains.

For those tracking global security and oil markets, the episode underscores:

• The extraordinary stakes at the Strait of Hormuz
• The risks of miscalculation and escalation
• The careful game of leverage and negotiation being played by the US, Iran, and regional actors like Israel

Closing sentiment: Both sides are calculating how much pain they (and their populations) can bear, hoping that intense pressure brings about diplomatic breakthrough—before military confrontation becomes inevitable.

Transcript

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Bloomberg Audio

[Sarah Holder]

Studios Podcasts Radio news the ceasefire between the US and Iran is set to expire next week. And following an inconclusive round of peace talks in Pakistan, the the US is trying a different tactic to pressure Iran into a deal a naval blockade.

[Becca Wasser]

President Trump says the U.S. blockade in the Strait of Hormuz has begun.

[Microsoft Windows 11 Pro Representative]

Two tankers under U.S. sanctions turning around as the restrictions went into effect.

[Becca Wasser]

President Trump announcing that any Iranian who fires at us or at peaceful vessels will be blown to hell.

[Sarah Holder]

The blockade was implemented Monday, further cutting off the Persian Gulf from the rest of the world.

[Becca Wasser]

It seems as though President Trump has been saying, you know, the strait must be open, the strait must be open, the strait must be open. But we're going to close it in order to get it to reopen.

[Sarah Holder]

Becca Wasser is the defense lead for Bloomberg Economics.

[Becca Wasser]

But the logic for at least what I can piece together is the idea of this economic pressure on Iran is going to either force them to concede at, you know, the negotiating table right now or, or over time, that pressure is going to lead them to make some of those concessions, to agree to terms that the US Feels quite strongly about.

[Sarah Holder]

People familiar with the matter told Bloomberg that the US And Iran are in talks about holding a second round of negotiations in the coming days. And Becca says the blockade only raises the stakes.

[Becca Wasser]

The risks here are really the escalation risks in an already fragile ceasefire, in a, in a really fraught conflict. And that could ratchet up tensions further at a time where it does seem as though there are some signals from all sides to try and de escalate slightly.

[Sarah Holder]

I'm Sarah Holder and this is the big take from Bloomberg News today on the show how the US Naval blockade of the Strait of Hormuz works, what could happen if it's tested, and how this latest pressure tactic could influence another round of Iran US Peace talks. Becca, my first question for you is just what is the status of the US Blockade in Iran? What do we know about what's actually been set up so far?

[Becca Wasser]

President Donald Trump said that it was a total blockade in the vein that he said for Venezuela, in which it would be almost all ships. But U.S. central Command issued a more restrictive definition of the blockade where they said that they were going to blockade all maritime traffic, intending to enter Iranian ports both in and outside the Persian Gulf. But it said that it would enforce the blockade not in the strait itself, but right outside it. So that would be in the Gulf of Oman, that would be into the Arabian Sea. And that starts to get you closer towards the coastlines of various Gulf countries.

[Sarah Holder]

I've seen reporting that the US is deploying as many as 15 ships to create this blockade. What is their role here?

[Becca Wasser]

So I think a lot of folks think of a blockade as a cordon that you're going to have, you know, a group of ships stopped at the end of the strait no one can go past. But that's not likely exactly what's going to happen. I think what you are going to have is constant monitoring of the strait, which the US Is likely doing with various intelligence, surveillance and reconnaissance assets, potentially potentially even space based assets, as well as potentially even communication with those ships. And whenever there's any vessel that the US Thinks might be headed for Iran or coming from an Iranian port or is part of, you know, the shadow fleet or sanctioned vessel. You know, they'll communicate with them and they will try and get more information, but also in many respects try to issue warnings and say that if you proceed, you will most likely be interdicted. And this means that either the vessel is going to be diverted, either sent back, or there's the chance that it could be boarded and eventually seized.

[Sarah Holder]

What might Iranians do to counteract this blockade?

[Becca Wasser]

A blockade is technically an act of war, and there's a high chance that Iran sees it that way. So that could mean that Iran may, might retaliate, attacking Gulf ports and infrastructure in response. Right now it seems as though there's a chance that communication and diplomacy is still alive and that might give Iran pause on any type of potential retaliation. However, I think it's notable where the US has said that the blockade area is going to be. What they've done is they've tried to take some of the ships and move them a little bit further away from some of the potential threats in the Strait of Hormuz, negate any, all of the threats. You know, some of the US Warships could still be at risk of drone attacks or anti ship cruise missile attacks, but it's taken it away out of the most threatening geography. And I think you do see a little bit of positioning on both sides right now to leave some space for communication and to leave some space for diplomacy to hopefully bear fruit.

[Sarah Holder]

I want to talk a little bit more about how the US Might enforce this blockade. What do we know about enforcement here?

[Becca Wasser]

I think some of the bigger unknowns right now are really whether the US Is going to take the narrow interpretation of a blockade that US Central Command put forward, or whether they're going to try and implement what President Trump initially tweeted, which is the idea of interdicting every vessel in international waters that paid a toll to Iran. If that the case, then you're likely to see a lot more US Operations outside of the Middle East. That's when you could see the US Trying to interdict vessels that are in the Indo Pacific, perhaps maybe some of those dark fleet vessels that are trying to ship oil to China. And that in itself opens up a potential host of other questions as well as some potential risks.

[Sarah Holder]

In some ways it seems counterintuitive, maybe that in order to achieve one of the military aims here, which is reopening the Strait of Hormuz, the Trump administration is essentially closing traffic near the Strait of Hormuz. Can you explain the logic there.

[Becca Wasser]

The logic for at least what I can piece together is the idea of this economic pressure on Iran is going to either force them to concede at, you know, the negotiating table right now, or over time, that pressure is going to lead them to make some of those concessions, to agree to terms that the US feels quite strongly about. But in order to create that pressure, the US needs to essentially exert it, which by their calculation is the best way that they could do so is to enforce a counter blockade, if you will, of what Iran has been able to do in, you know, threatening to close the Strait and essentially, you know, freezing all traffic.

[Sarah Holder]

So how could the blockade affect negotiations between Iran and the us? And what is Israel's role? That's after the break. The closure of the Strait of Hormuz has snarled global oil supplies and become a key flashpoint in negotiations between the US and Iran. To understand how the US's naval blockade could affect talks moving forward, I called up Bloomberg's Middle east breaking news editor, Patrick Sykes. So, Patrick, Iran has denied the world access to the Strait of Hormuz. Now the US is attempting to deny Iran access to the rest of the world by placing this naval blockade on Iranian ports. I'm wondering how you read this move. Does it look like a knee jerk reaction to the failure of the first round of peace talks between Iran and the us, or is it part of a bigger plan for this war in Iran?

[Patrick Sykes]

It's interesting. It's been framed as a kind of third way, right? The choices that the US had, crudely speaking, were to strike a deal or to go back to war. And this Iranian media are reading as an attempt to find an alternative way through that. I think related to it, it's definitely seeking to deny to Iran this asymmetry around the whole Strait of Hormuz situation. Right? The fact that Iran, with relatively limited military capabilities, in some cases just the threat of an attack or the general instability around the war, was able to, as you say, deny access to, while maintaining access for itself and reaping the rewards of those higher oil prices in the process. So the us, in doing this latest move, is trying to cut off at least a new flow of cash to Iran that it's been able to generate.

[Sarah Holder]

And how do you see the blockade sort of fitting into the US's overall negotiation strategy then?

[Patrick Sykes]

It's a pressure move, right? It's not the kind of thing that's going to, I think, make Iran either run back to the negotiating table nor to abandon talks altogether in their Minds, you know, this is still a fight for survival. And they, they claim they have alternative routes. They might be able to, you know, send some limited volumes over land. They might be able to draw on ports that are less exposed to the, the Strait as such. So I think they will try to resist and, and they'll make the best of that newly limited situation.

[Sarah Holder]

And, I mean, as a move intended to put pressure on Iran, I'm wondering how this naval blockade compares to something like a ground invasion that Trump has been threatening. Is this a preferable escalatory move that avoids troops on the ground for the US for sure.

[Patrick Sykes]

Right. We have to assume that while no doubt ground options were among those presented to the President in Washington, it obviously comes with huge risks, the kinds of risks that what's largely been an air campaign so far don't have. Right. From the US Defense planners perspective, this was quote, unquote, the beauty of the campaign so far, that from a relative distance and with relatively few, from their perspective, casualties, they were able to cause widespread destruction to the enemy. That whole equation changes if you're there on the ground, if you're actually on enemy territory. I think that the real test of it would be what happens if a ship tries to challenge the authority of this blockade. Right. Because then you may end up in territory where you're looking at conflict on the water. We've had the Venezuela precedent a few months back where we had ships deliberately trying to evade that blockade and the US Having to chase after them. So there's both kind of reputational risks and obviously more plainly military risks as and when they're challenged.

[Sarah Holder]

I mean, from Iran's perspective, is that something they're willing to do to challenge this blockade?

[Patrick Sykes]

I mean, with the timescales that we're operating in. Right. This ceasefire is supposed to end early next week. So we have to assume that the sides will try and arrange another round of talks by then. So if we're looking at another round of diplomacy, and best case scenario, a deal by the end of the week. Iran has suffered this situation for a couple of days at that point, and that is definitely something that they're very happy to swallow longer term, obviously, as the duration of any blockade increases, it becomes more and more painful. And that's in the context of an economy that's already, even before the war, the currency has been in free fall, inflation over 30%, and the war has just obviously added to that in terms of damage to civilian infrastructure, disruption to businesses and ordinary people's lives. But I think both sides are making that calculation. Right. Iran is also making the time calculation that the US doesn't want this to drag on and US consumers, US buyers of gasoline, don't want this to continue.

[Sarah Holder]

A lot of what comes next here depends on how quickly and how well peace talks go between Iran and the us. I want to talk about the state of negotiations a little bit more. What kind of progress can we say was made during that first round of talks?

[Patrick Sykes]

I think the progress might be structural, if anything.

[Becca Wasser]

Right.

[Patrick Sykes]

These were, regardless of the contents, at the format level, these were the highest level talks between American and Iranian officials in a very, very long time. Right. These are obviously two countries that have been sworn enemies largely since the 1979 revolution. So it is extremely rare for the speaker of the Parliament, the head of one of the three branches of government, who's also thought to be a key decision maker in the defence establishment, to be there on the other side of the table as the American Vice president. That in itself was remarkable. And I suppose we can only hope that with that contact at such a high level, the two sides got something of a sense of each other.

[Sarah Holder]

I want to talk about another factor here, which is Israel.

[Becca Wasser]

Right.

[Sarah Holder]

Iran has layered in a demand that Israel stop attacking Lebanon. Israel and the Lebanese government are engaging in their own talks this week in dc. So, Patrick, what roles are Israel and Iran's proxies playing in this negotiation process right now?

[Patrick Sykes]

Yeah, it was really interesting on the day of the Islamabad talks, you know, the Iranians came, they turned up and they kind of started the process with this initial meeting with the Pakistani officials. But it was only once they claimed that Israel had pulled back on, that it limited some of its strikes on Lebanon, that the Iranians said that they're happy to go ahead, enter the actual room and start talking with the Americans. They were very keen to make that a condition of their participation. Now, it's worth stressing, I think the US pushed back on that, on that account of things. But it does underline that Iran wants this to be the end of not just the conflict in Iran right now, but the end of future aggression both against Iran and against those regional allied militias that it has, like Hezbollah in Lebanon, like the Houthis in Yemen, because from Iran's perspective, Iran feels it's been burned a couple of times now by this back and forth of diplomacy and then war, and it's really keen to restore deterrence so that there's some semblance of balance again in the region. At the same time, it's using whatever leverage it's been able to build up in this hot war with the US and Israel to kind of display, I think, a sense of solidarity with those regional militias like Hezbollah in Lebanon and so on. So it's very keen to present a united front that if needed, it can activate again, but in peace also has to enjoy the peace dividend.

[Sarah Holder]

This is the Big Take from Bloomberg News. I'm Sarah Holder. To get more from the Big Take and unlimited access to all of bloomberg.com subscribe [e-mail] podcastoffer if you like this episode, make sure to subscribe and review the Big Take. Wherever you listen to podcasts, it helps people find the show. Thanks for listening. We'll be back tomorrow.

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