Iran's IRGC Lays Sea Mines in Strait of Hormuz, Threatens Shipping Lanes
Key Takeaways
- IRGC released a chart showing sea mines in the Strait of Hormuz and urged avoidance
- Iran issued navigational advisories with an alternate route around Hormuz mines
- Ceasefire negotiations are fragile as disputes over Lebanon and Hormuz continue
Iran Mines Strait of Hormuz
Semiofficial Iranian news agencies published charts suggesting the IRGC laid sea mines in the Strait of Hormuz.
“The Iranian Revolutionary Guard Corps (IRGC) shared a chart which urges commercial vessels to avoid sea mines – a type of underwater explosive – which were deployed following the US and Israel's war against Iran, Iranian state media reports”
The IRGC issued navigational advisories directing vessels to use alternative routes north of Larak Island.
The move came amid a fragile two-week ceasefire between the U.S., Israel, and Iran.
Tehran and Washington offered vastly different explanations of the deal's terms.
Oil prices surged as the strait remained effectively closed.
Conflicting Ceasefire Claims
The ceasefire terms were contested from the start.
Iran said it would control the Strait of Hormuz, charge tolls, and enrich uranium.
President Trump said the deal would include reopening the strait and handing over uranium.
Iran's deputy foreign minister told the BBC ships would be allowed to pass once the U.S. ends its aggression.
The White House insisted Trump would remain until the real agreement is complied with.
Regional Reactions and Risks
The ceasefire was overshadowed by Israel's continued strikes against Hezbollah in Lebanon.
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Iran insisted Israel's attacks violated the deal.
The Soufan Center warned the ceasefire hovers on the verge of collapse.
Abdul Malik al-Houthi described the ceasefire as a big victory for Tehran.
Russia's foreign minister welcomed the ceasefire and emphasized the regional dimension.
Mine Warfare Strategy
Sea mines require little training and can be deployed without direct combat interaction.
Maritime access can be shaped more by caution and uncertainty than firepower.

The U.S. Naval Institute estimated Iran may have between 5,000 to 6,000 mines.
President Trump threatened severe consequences if Iran deployed mines.
He stated mines must be removed immediately.
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