In the early hours of March 4, 2026, in international waters off the coast of Galle, Sri Lanka, the USS Charlotte, a Los Angeles–class nuclear-powered attack submarine, closed in on the IRIS Dena, a new Iranian Moudge-class frigate.
Submerged, the Charlotte fired a heavyweight, acoustic-homing torpedo at the hull of the Dena. It missed. It fired another. It connected. The periscope footage of the attack was released by the United States Department of War. It shows the shockwave of the torpedo fracturing the Dena’s hull and sending its helicopter flight deck metres into the air.
Within seconds, what was left of the Dena was plummeting to the depths of the Indian Ocean, carrying at least sixty of its crew of 180 to their deaths.
Some moments later, an email was sent from US Indo-Pacific Command to Sri Lanka’s maritime rescue agency. Twenty miles from Galle’s coast, a ship is in distress. Sri Lanka immediately engaged a search and rescue effort that included its air force and navy. The surface of the sea contained clues that a vessel had been attacked and had likely been sunk. But it was not clear whether the attack had come from above or below. They were able to rescue thirty-two sailors, and recover the bodies of eighty-seven others, many of whom had mysteriously broken legs.
The Charlotte had long vanished like an apparition beneath the waves.
This was on the fifth day of the US–Israeli war on Iran, 2,000 nautical miles from the immediate conflict zone.
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