What mines has Iran laid in the strait of Hormuz and how can the US remove them? | Strait of Hormuz

The Shift Toward Asymmetric Naval Warfare

The current conflict in the Strait of Hormuz signals a fundamental shift in how naval power is projected. We are seeing a move away from traditional clashes between large fleets toward asymmetric tactics where low-cost assets create high-impact disruptions.

Iran’s strategy demonstrates this pivot. After losing much of its large naval vessel fleet to US and Israeli strikes, Tehran has leaned into “small but lethal” capabilities. This includes the deployment of small surface vessels, cheap drones and anti-ship missiles to maintain control over a vital waterway.

Did you know? The Strait of Hormuz is one of the world’s most critical maritime chokepoints, with approximately 20% of the world’s oil and gas supply previously moving through its waters.

The Role of Modern Mine Warfare

Mines have become a primary tool for asymmetric leverage. Unlike older contact mines, modern varieties like the Maham 3 and Maham 7 use magnetic and acoustic sensors to detect ships before detonating.

From Instagram — related to Maham, The Maham

The Maham 3 is an anchored mine capable of operating in depths up to 100 metres, while the Maham 7 is a bottom-resting mine designed specifically to evade sonar detection in shallower waters. These tools allow a smaller force to effectively close sea lanes, creating massive global uncertainty with relatively low investment.

The Future of Mine Clearance: Robots vs. Hidden Hazards

Clearing modern mines is a laborious and dangerous process. Because crewed minesweepers are easy targets for missiles or drone swarms, the trend is shifting heavily toward uncrewed, autonomous systems to reduce risk to personnel.

The US is increasingly relying on specialized technology to reopen waterways:

  • Knifefish: An undersea submersible mine hunter.
  • MCM Anti-Mine Vessels: High-speed, uncrewed boats.
  • Archerfish (AN/ASQ-235): An airborne system deployed from MH 60S helicopters that uses sonar to detect and destroy mines.

While these systems remove humans from the immediate blast zone, they still require launch and control ships to operate in relatively close proximity, leaving those platforms vulnerable to asymmetric attacks if ceasefires fail.

Pro Tip: For those tracking maritime security, watch the deployment of “uncrewed” platforms. The transition from crewed to autonomous mine-hunting is the single biggest trend in current naval risk mitigation.

Global Economic Fragility and Maritime Chokepoints

The weaponization of the Strait of Hormuz highlights how vulnerable the global economy is to localized maritime disruptions. The mere threat of a blockade or the presence of mines can trigger immediate financial volatility.

Iran has laid about a dozen mines in Strait of Hormuz, sources say

Recent escalations have already shown the potential for rapid economic contagion:

  • Energy Spikes: Crude oil prices have soared above $100 per barrel.
  • Market Instability: Global stocks have fallen amid uncertainty.
  • Supply Chain Collapse: Exports of vital goods, including fertilizers necessary for food production, have collapsed.

The “Toll Booth” Strategy

A concerning trend is the emergence of a de facto “toll booth” regime. Reports indicate that some vessels have paid fees in Chinese yuan to the Islamic Revolutionary Guard Corps (IRGC) to guarantee safe passage through controlled corridors. This transforms a strategic waterway into a source of direct revenue and political leverage for the controlling power.

Navigating the Legal Vacuum of the High Seas

The conflict is further complicated by a lack of shared legal frameworks. Neither the United States nor Iran are parties to the 1994 UN Convention on the Law of the Sea, leading to overlapping and conflicting claims.

While international law generally stipulates that mines should not be used to close international straits for innocent passage, Iran claims portions of the strait as its territorial waters. This legal grey zone makes it unlikely that nations in active conflict will provide detailed mine maps or adhere to traditional maritime norms.

For more on the geopolitical implications, witness our analysis on maritime security trends or visit NBC News for detailed blockade explanations.

Frequently Asked Questions

What is the difference between the Maham 3 and Maham 7 mines?

The Maham 3 is an anchored mine used in waters up to 100 metres deep. The Maham 7 is a bottom-resting mine for shallower waters, designed with a conical shape to evade sonar detection.

Frequently Asked Questions
Maham Strait Hormuz

How does the US clear mines without risking sailors?

The US uses uncrewed systems like the Knifefish submersible, MCM anti-mine boats, and the Archerfish airborne system deployed from helicopters.

Why do mines have such a large impact on oil prices?

Because about 20% of the world’s oil and gas passes through the Strait of Hormuz, any disruption to this chokepoint creates fears of supply shortages, driving prices up rapidly.

What is the “toll booth” regime in the Strait of Hormuz?

It is a system where the IRGC requires vessels to submit documentation, obtain clearance codes, and pay fees (sometimes in Chinese yuan) for escorted passage through a controlled corridor.


What do you think about the shift toward autonomous naval warfare? Does the use of uncrewed systems truly reduce the risk of escalation, or does it just change the nature of the conflict? Let us know in the comments below or subscribe to our newsletter for the latest insights on global security.

Leave a Comment