IRGC Announces Seizure of U.S. Unmanned Submarine in Strait of Hormuz

by Choi Seoyoon

Published 27 Sep.2026 20:07(KST)

Updated 28 Sep.2026 07:05(KST)

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Claimed "Securing the 'Remus 600' on Recon Mission"
Second Seizure This Month Following Previous Incident on the 8th
Analysis of Device Data Underway

On September 27, local time, the Islamic Revolutionary Guard Corps (IRGC) Navy of Iran announced that it had seized a sophisticated unmanned submarine belonging to the US military in the Strait of Hormuz.

The IRGC Navy issued a statement the same day, declaring, "Based on a complex and sophisticated joint operation that leveraged information superiority and electronic warfare, we have successfully seized a state-of-the-art unmanned submarine of the US military, which was conducting intelligence activities in the Strait of Hormuz."

A photo of a US military unmanned submarine allegedly seized by the Iranian Revolutionary Guard Navy. Captured from SEPA News Telegram channel.

The equipment seized this time is reported to be a Remus 600 model, an autonomous unmanned underwater vehicle primarily operated by the US Navy.

The IRGC explained that, after securing the submarine, they are conducting data extraction and recovery operations on its internal systems.

The statement further added, "We declare that the Strait of Hormuz is closed," and warned, "We will respond firmly to any dangerous movements or unauthorized passage within the strait."

The IRGC also claimed on September 8 that it had captured a US unmanned submarine, the 'Dive-LD,' at the entrance of the Strait of Hormuz.

A U.S. unmanned submarine claimed to be seized by the Iranian Revolutionary Guard Navy. Screenshot from Sepa News Telegram channel.

The seized Remus 600 is a torpedo-shaped unmanned underwater vehicle approximately 3.25 meters in length, capable of reaching depths of up to 600 meters to perform tasks such as mine detection, seabed terrain mapping, and reconnaissance.