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Politics
Apr 13, 2026

U.S. Military Announces Complete Halt of Iranian Port Traffic Through Strait of Hormuz

AI Summary
The U.S. military has ordered an immediate blockade of all vessels entering or leaving Iranian ports via the Strait of Hormuz, while Iran's Revolutionary Guard warned that any approaching military ship will face severe retaliation.

Effective 10:00 a.m. ET (14:00 GMT) today, the United States military will block all maritime traffic entering and exiting Iranian ports through the Strait of Hormuz, a move that marks a significant escalation in regional tensions.

The directive, announced by U.S. defense officials, aims to prevent any vessel—commercial or otherwise—from using the narrow waterway that links the Persian Gulf with the Gulf of Oman. By sealing off the strait, Washington seeks to exert pressure on Tehran amid ongoing diplomatic disputes.

In response, Iran’s Islamic Revolutionary Guard Corps (IRGC) issued a stark warning: any military vessel that approaches the strait will be deemed a breach of the cease‑fire and will be "dealt with severely". The IRGC’s statement underscores the risk of a rapid military confrontation should either side perceive a violation.

Analysts note that the Strait of Hormuz handles roughly 20% of global oil shipments, so a full blockade could disrupt international energy markets and amplify economic uncertainty worldwide. The action also raises questions about the legal basis for such a blockade under international maritime law.

Both the United States and Iran have signaled that the situation remains fluid, and further developments are expected as diplomatic channels attempt to defuse the standoff.