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80 Dead, Pentagon Video Released: US Torpedo That Sank Iran's IRIS Dena Was Fired Days After Ship Left India's Fleet Review

Image: 80 Dead, Pentagon Video Released: US Torpedo That Sank Iran'

US Defence Secretary Pete Hegseth has officially confirmed an American submarine torpedoed and sank the Iranian frigate IRIS Dena in the Indian Ocean on Tuesday - calling it the "first sinking of an enemy ship by a torpedo since World War Two." Eighty bodies have been recovered. The ship had been India's guest at its International Fleet Review just days before it was struck.

The Confirmation

Hegseth stood at a Pentagon podium and delivered the news without apparent hesitation. The Dena, he said, was sunk by torpedo after it "thought it was safe in international waters." He called it a "quiet death."

The Defence Department then released video - a ship struck amidships, its stern lifting before a secondary explosion tears through the hull.

The location: approximately 40 kilometres off Sri Lanka's southern coastline. Sri Lanka's navy responded to a distress call Wednesday morning, finding oil slicks and life rafts. There was no sign of the vessel itself. It had already gone down.

The 32 survivors were described as "seriously injured." They were taken to hospital in Galle, Sri Lanka's southern port city. A Sri Lankan defence official told BBC Sinhala that 80 bodies had been recovered by rescue teams. Approximately 68 sailors remain unaccounted for.

The India Problem

Here is the detail that changes the diplomatic calculus: the IRIS Dena had just participated in India's International Fleet Review 2026, a high-profile naval event in which the Indian Navy hosts foreign warships as a demonstration of strategic relationships.

The Dena was, by any measure, a diplomatic guest of New Delhi when it was sunk. It had been photographed in the Bay of Bengal alongside Indian naval vessels. It departed India. Then a US submarine killed it in the waters off Sri Lanka.

Iran's Foreign Minister Abbas Araghchi framed it exactly that way.

"Frigate Dena, a guest of India's Navy carrying almost 130 sailors, was struck in international waters without warning. The US has perpetrated an atrocity at sea, 2,000 miles away from Iran's shores. Mark my words: The US will come to bitterly regret the precedent it has set."

New Delhi has not issued a statement as of publication. That silence is itself a position. India has spent years building strategic partnerships with both Washington and Tehran. It imports Iranian oil through unofficial channels, conducts naval exercises with the US, and has maintained studied neutrality as the Iran-Israel-US war has escalated over five days.

The IRIS Dena's presence at India's fleet review was not incidental. Iran has cultivated naval relationships across the Indian Ocean as a hedge against US Gulf dominance. The ship's sinking - within days of leaving Indian waters, while still operating in India's maritime neighbourhood - forces New Delhi to respond. Or to be seen as not responding.

Sri Lanka: Caught in the Blast Radius

Sri Lanka is a non-combatant. It has called for "restraint and immediate de-escalation from all concerned parties." Its foreign minister paid tribute to Khamenei after his assassination on Saturday, then clarified that condolences extended to all conflict deaths.

But Sri Lanka's navy did the rescue work. It recovered the bodies. Its hospitals are treating the wounded. Its coastline is where the wreckage drifted.

Sri Lankan navy spokesman Budhika Sampath initially rejected reports of a submarine attack. The Pentagon then released video confirming exactly that. The correction lands in Colombo as an embarrassment - a small nation that tried to stay neutral and found the war's wreckage in its search-and-rescue zone anyway.

The Historical Weight

Hegseth's claim - that this is the first enemy vessel sunk by torpedo since 1945 - is technically correct for American submarines. The British sank Argentina's General Belgrano with a torpedo in 1982. Pakistan sank an Indian frigate in 1971. But the US Navy has not done this in eighty years.

The symbolism was clearly intentional. Washington wanted this on the record. It wanted Iran to understand that its navy - not just its nuclear facilities, not just its drone factories, not just its leadership - is a target. The Indian Ocean is not safe harbour.

The question now is what the Dena's sinking does to the conflict's geography. Iran's navy had dispersed assets eastward before the US-Israeli offensive began - almost certainly anticipating that the Strait of Hormuz would become impassable. That calculation is now exposed as a trap. The further Iranian ships go from home, the further from any support network, the more isolated they become. The US Navy operates globally. Iran's navy does not.

Where This Goes

Araghchi's warning - that the US "will come to bitterly regret the precedent it has set" - reads as both a threat and a genuine geopolitical observation. The precedent is: any Iranian naval vessel, anywhere on Earth, is subject to lethal engagement without warning.

That precedent will reverberate beyond Iran. China, Russia, and a dozen smaller navies are watching. The rules of naval engagement just shifted in international waters.

On the ground, Iran's drone campaign against Gulf state military installations continues. New strikes hit Saudi Arabia and Kuwait on Wednesday. Turkey confirmed a NATO battery intercepted an Iranian ballistic missile heading toward its territory. The war is now being fought on at least four distinct fronts simultaneously.

Eighty sailors recovered from the Indian Ocean say it is being fought on five.