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Iran Threatens to Block Crucial Strait of Hormuz

2/28/2026

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Summary

Story summary

Iran's Revolutionary Guards issued VHF messages to Gulf vessels, declaring no ship may pass the Strait of Hormuz.
An official with the European Union's naval mission Aspides said Iran has not confirmed the order.
The Strait of Hormuz remains a critical global oil chokepoint, linking major Gulf producers to the Arabian Sea.
Iran has a history of threatening to block the strait but has never fully closed it.

History

Historical Context

The Iran-Iraq War, which began in 1980, saw Iran threaten to close the Strait of Hormuz, a crucial passage for nearly 20% of global oil supply. The U.S. Navy deployed forces to ensure navigation freedom, underscoring the strait's strategic significance. Today, Iran's Revolutionary Guards continue to issue similar threats, reflecting ongoing regional tensions that could disrupt global oil markets and escalate military presence in the Gulf.

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Story summary

Iran's Revolutionary Guards issued VHF messages to Gulf vessels, declaring no ship may pass the Strait of Hormuz.
An official with the European Union's naval mission Aspides said Iran has not confirmed the order.
The Strait of Hormuz remains a critical global oil chokepoint, linking major Gulf producers to the Arabian Sea.
Iran has a history of threatening to block the strait but has never fully closed it.

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