Iran made preparations to mine the Strait of Hormuz last month in a move that heightened fears of a potential blockade of one of the world’s most vital maritime chokepoints, according to U.S. officials. The activity followed Israel’s missile strikes on Iranian targets on June 13, and was detected by U.S. intelligence shortly thereafter.
Two American officials, speaking on condition of anonymity, said Iranian naval forces had loaded sea mines onto vessels in the Persian Gulf. While the mines were not deployed, their presence suggested Tehran was seriously considering closing the strategic waterway, which handles roughly 20% of the world’s oil and gas shipments.
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A closure of the strait would have delivered a severe blow to global energy markets, yet the escalation feared by many did not materialize. Instead, oil prices dropped more than 10% after U.S. airstrikes on Iran’s nuclear facilities, as markets reacted to the lack of immediate supply disruptions.
On June 22, in the wake of U.S. attacks on three key nuclear sites, Iran’s parliament reportedly supported a motion to close the Strait of Hormuz. However, the measure was not binding, with Iran’s Supreme National Security Council holding ultimate authority on such a decision. Historically, Tehran has threatened to shut the strait during periods of heightened tension but has never followed through.
The latest developments underscore the fragile balance in the region, where any misstep could have sweeping consequences for global trade and energy supplies.
