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A Torpedo in the Trade Lanes: Naval Warfare Returns to the Indo-Pacific
Jennifer Parker | 26 March 2026 *Originally published in War on the Rocks on 26 March 2026 Image: US DOD. Sinking of IRIS Dena A U.S. submarine recently sank an Iranian warship in one of the world’s busiest maritime corridors. Many overlooked the incident’s significance. Others misunderstood what had occurred. The sinking of the IRIS Dena in the Indian Ocean, roughly 40 nautical miles off Sri Lanka’s southern coast, was a graphic reminder of the brutality of war on the high