Bulwark Takes
Bulwark Takes
March 21, 2026

A Monthlong Closure of Hormuz Will Bankrupt Countries (w/ Sal Mercogliano)

Quick Read

The Strait of Hormuz, a critical global trade choke point, is now under de facto Iranian control, leading to economic disruption, humanitarian crises for seafarers, and a potential restructuring of global trade patterns if the closure persists.
Iran effectively controls the Strait of Hormuz by inspecting and charging ships, despite US military superiority.
Asymmetric threats (drones, speedboats) create unacceptable risk for commercial shipping, bottling up 25% of global trade.
A prolonged closure could bankrupt Gulf nations, deplete global reserves, and force a permanent restructuring of world trade.

Summary

The Strait of Hormuz, a narrow passage connecting the Persian Gulf to the Indian Ocean, has become a major choke point due to Iran's actions. While the US maintains military supremacy in the region, Iran has effectively gained economic control, inspecting and potentially charging ships up to $2 million for passage through its territorial waters. This is achieved not through a conventional navy, but via asymmetric threats like drones, uncrewed surface vessels, and mines, which are difficult to fully counter, creating an unacceptable 1% risk for commercial shipping. The crisis has stranded 20,000 seafarers on 3,200 ships in the Persian Gulf, facing shortages of food, water, and fuel. US policy appears contradictory, bombing Iranian missile sites while simultaneously encouraging Iranian oil flow to mitigate rising global gas prices. A prolonged closure (1-6 months) could bankrupt Gulf nations, deplete global oil reserves, and necessitate a fundamental, permanent restructuring of global trade patterns, akin to changes seen only during world wars.
The Strait of Hormuz is a vital artery for global trade, with 25% of global oil and 17% of liquefied natural gas passing through it. Its effective closure by Iran, despite US military presence, demonstrates how asymmetric threats can cripple global supply chains and energy markets. This situation is causing immediate economic disruption, humanitarian issues, and threatens to permanently alter international trade routes and energy security, impacting consumers worldwide through higher prices and potential shortages.

Takeaways

  • The Strait of Hormuz, a key maritime choke point, sees 25% of global trade and 135 ships daily, primarily energy vessels.
  • Iran has established de facto control over the Strait, inspecting and potentially charging ships up to $2 million for passage through its territorial waters.
  • US military supremacy in the region has not prevented Iran from exerting economic control, as asymmetric threats (drones, uncrewed speedboats, mines) are sufficient to deter commercial shipping.
  • The US Navy is effective against large threats but struggles against a 'horde of gnats' (small, numerous drones and vessels).
  • Commercial shipping operates on a 99% success rate; a 1% risk of attack is enough to cause rerouting or complete stoppage.
  • Over 20 ships have been attacked since March 1st, resulting in at least eight merchant mariner deaths and significant damage.
  • A humanitarian crisis is unfolding, with 20,000 seafarers on 3,200 ships trapped in the Persian Gulf, running out of food, water, and fuel.
  • US policy appears contradictory, with the Energy Secretary encouraging Iranian oil flow to offset global shortfalls despite existing sanctions.
  • A prolonged closure (1-6 months) would bankrupt countries like Bahrain, Qatar, Oman, and Kuwait, cripple Saudi Arabia, and deplete global oil reserves.
  • The disruption is analogous to a 'clamp on a femoral artery' of global trade, causing systemic damage that will take months or even years to resolve.

Insights

1Iran's De Facto Control Over Hormuz

Despite US military presence, Iran has established effective economic control over the Strait of Hormuz. Ships are now routing through Iranian territorial waters, between two islands, where they are inspected and potentially charged significant fees (up to $2 million per ship) for passage. This contradicts previous US objectives to prevent Iranian control.

Guest Sal Mercogliano states, 'Iran controls the Strait of Hormuz now. They're controlling who's going in and who's coming out.' He details ships routing into Iranian waters for inspection and suspected payment.

2Asymmetric Threats Undermine Military Supremacy

The US military's conventional strength is insufficient to fully secure the Strait against Iran's asymmetric tactics. Iran primarily uses unmanned aerial vehicles (Shahed drones) and uncrewed surface vessels (remote-control speedboats) to attack and deter shipping. These 'horde of gnats' are difficult to eliminate entirely, creating an unacceptable risk for commercial vessels.

Mercogliano explains, 'You don't need a navy to exert an anti-ship campaign.' He cites Ukrainian and Houthi examples and describes Iranian tactics: 'Shahed drones... and then unmanned surface vessels, which are basically remote control speedboats.' He contrasts US ability to 'shoot down the flock of geese' with the difficulty of hitting 'a horde of gnats.'

3Commercial Shipping's Intolerance for Risk

Unlike military operations, commercial shipping cannot tolerate even a small percentage of risk. A 99% success rate is a 'mission kill' for the military but an unacceptable 1% failure rate for a shipping company, especially with dangerous cargo like liquefied natural gas. This low-risk tolerance is why many ships are avoiding the Strait.

Mercogliano states, 'If you tell a commercial shipping guy, there's a 99% chance you're going to get through, what they hear is, there's a 1% I'm not going to get through.' He emphasizes the danger for LNG carriers, calling them 'a floating bomb.'

4Humanitarian Crisis for Stranded Seafarers

The closure has trapped an estimated 20,000 seafarers on 3,200 ships in the Persian Gulf. These crews are facing severe shortages of food, water (due to broken purifiers), and fuel, as ports refuse them entry. They are likening their situation to the 'Yellow Fleet' stranded in the Suez Canal for years.

Mercogliano details, '3,200 ships in the Persian Gulf with about 20,000 seafares on board.' He recounts a ship running out of water and being refused port, and crews running low on food and fuel. He mentions them 'starting to call themselves the yellow fleet.'

5Contradictory US Policy on Iranian Oil

The US government's policy regarding Iranian oil is confusing. While sanctions are in place, the Energy Secretary has expressed a desire for Iranian oil to enter the global market to offset shortfalls caused by the Strait's closure. This suggests a prioritization of mitigating global gas price increases over strict enforcement of sanctions.

Mercogliano highlights, 'We just had Secretary Bessant come out... and say, "We want that Iranian oil on the global market to make up for the shortfall... which is caused by Iran, which is just the most confusing policy out there."'

6Long-Term Closure Threatens Global Economic Restructuring

If the Strait of Hormuz remains closed for 1 to 6 months, as estimated by the Defense Intelligence Agency, it would lead to catastrophic economic consequences. It would bankrupt Gulf nations, deplete global oil reserves, and force a fundamental, permanent restructuring of global trade patterns and transportation methods, a phenomenon typically only seen during world wars.

Mercogliano states, 'You're talking about bankrupting Bahrain, Qatar, Oman, Kuwait... Saudi is going to be crippled.' He warns of energy shortages, pulling from strategic reserves, and 'restructuring the global trade patterns of the planet which literally only happens during world wars.'

Bottom Line

The current crisis highlights a shift from 'just-in-time' to a potential 'just-in-case' global logistics model, as the reliability of critical choke points is compromised.

So What?

Companies and nations relying on efficient, low-inventory supply chains will face increased costs, delays, and the need for greater redundancy or alternative sourcing, impacting consumer prices and economic stability.

Impact

Investment in alternative energy sources, domestic production, and resilient supply chain infrastructure (e.g., more diverse shipping routes, larger strategic reserves, regional manufacturing hubs) becomes a strategic imperative for national security and economic stability.

The effectiveness of low-cost, asymmetric naval warfare (drones, USVs) against conventional military power in disrupting global commerce sets a dangerous precedent for future geopolitical conflicts.

So What?

Nations with limited conventional naval power can now exert significant economic leverage over global trade, potentially leading to more frequent disruptions in critical maritime passages worldwide.

Impact

Development of advanced, cost-effective counter-drone and counter-USV technologies, alongside international agreements and rapid response mechanisms for securing choke points against such threats, becomes crucial for maintaining global trade freedom.

Key Concepts

Circulatory System of Global Trade

Global shipping routes are likened to the circulatory system, with the Strait of Hormuz acting as a 'femoral artery.' Choking off this artery, even partially, causes systemic damage and affects the entire interconnected global economy, not just the immediate region.

Horde of Gnats vs. Flock of Geese

This analogy describes the challenge of countering asymmetric threats. While a military might be adept at shooting down a 'flock of geese' (large, identifiable targets like missiles), it struggles to eliminate a 'horde of gnats' (numerous, small, hard-to-hit drones and uncrewed vessels) that can still cause significant damage and deter commercial activity.

The 1% Risk Threshold

For commercial shipping, a 99% success rate is insufficient. The 1% chance of an incident, especially for high-risk cargo like LNG, is enough to halt operations, demonstrating how even minimal threat levels can have massive economic consequences.

The Yellow Fleet

A historical parallel to ships trapped in the Suez Canal during the 1968 Six-Day War, where vessels were stuck for years and turned yellow from dust. This model highlights the potential for a prolonged, indefinite stranding of ships and crews in the Persian Gulf, leading to a humanitarian crisis.

Lessons

  • Recognize that military supremacy does not guarantee economic control in an era of asymmetric warfare; small, numerous threats can effectively shut down vital trade routes.
  • Understand that global energy and commodity prices are directly impacted by disruptions in key maritime choke points like Hormuz, even if your country doesn't directly import from the region.
  • Consider the humanitarian cost of geopolitical conflicts, as thousands of seafarers are currently stranded and facing dire conditions due to the Strait's closure.

Notable Moments

The host and guest discuss the 'weird asynchronicity' of US military supremacy in the region versus Iran's economic control over the Strait.

This highlights a critical strategic paradox where traditional military power struggles to address modern, asymmetric threats that target economic vulnerabilities rather than direct military confrontation.

Discussion of the 'Yellow Fleet' analogy from the 1968 Suez Canal closure, where ships were trapped for years.

This historical parallel underscores the potential for a prolonged humanitarian crisis and economic stagnation for the thousands of seafarers and ships currently trapped in the Persian Gulf.

The guest's analogy of the Strait of Hormuz as a 'femoral artery' of global trade.

This vividly illustrates the critical importance of the Strait and the severe, systemic damage that its prolonged closure would inflict upon the interconnected global economy, affecting far more than just the immediate region.

Quotes

"

"Iran controls the Strait of Hormuz now. They're controlling who's going in and who's coming out."

Sal Mercogliano
"

"You don't need a navy to exert an anti-ship campaign."

Sal Mercogliano
"

"If you tell a commercial shipping guy, there's a 99% chance you're going to get through, what they hear is, there's a 1% I'm not going to get through."

Sal Mercogliano
"

"We want that Iranian oil on the global market to make up for the shortfall that oil that is stuck in the Persian Gulf, which is caused by Iran, which is just the most confusing policy out there."

Sal Mercogliano
"

"If you leave a clamp for a long period of time, you're going to cause permanent damage and that's the problem we're seeing right now. You got to get the straight back open."

Sal Mercogliano
"

"You're talking about restructuring the global trade patterns of the planet which literally only happens during world wars."

Sal Mercogliano

Q&A

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