Crew of IRIS Dena (87 recovered, 104 confirmed dead)
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Verified The crew of IRIS Dena were Iranian Navy sailors killed on 4 March 2026 when the US nuclear submarine USS Charlotte torpedoed and sank their frigate in international waters south of Sri Lanka. Eighty-seven bodies were recovered by the Sri Lanka Navy; Iran confirmed 104 dead in total. Thirty-two survivors were hospitalised at Galle. The Dena had been returning from India's MILAN 2026 naval exercise ? attended by 74 countries including the United States ? when it was struck without warning. No individual crew names have been publicly released as of 12 March 2026.
Their Story
The crew of the Iranian Navy frigate IRIS Dena were killed on the morning of 4 March 2026 when the vessel was struck by a Mark 48 heavyweight torpedo fired by the US Navy's Los Angeles-class nuclear-powered attack submarine USS Charlotte. The ship sank within two to three minutes of impact. The attack occurred in international waters approximately 19 nautical miles south of Galle, Sri Lanka's southernmost major port.
IRIS Dena (hull 75) was a Moudge-class frigate commissioned in 2021 and one of the most technologically advanced vessels in the Iranian fleet, named after Mount Dena in the Zagros Mountains. The ship's complement included officers, enlisted sailors, and members of the Iranian Navy's ceremonial band. In the weeks before the attack, the crew had visited the Taj Mahal, participated in a city parade in Visakhapatnam, and marched alongside sailors from 74 countries ? including the United States ? during India's International Fleet Review 2026 and the MILAN exercise (15?25 February 2026).
The vessel departed Visakhapatnam on 25 February 2026 and was heading west through the Indian Ocean toward the Strait of Hormuz when the 2026 Iran war began on 28 February. At 05:08 local time on 4 March, the Dena transmitted a distress call to the Maritime Rescue and Coordination Centre in Colombo, reporting an explosion. Sri Lanka Navy deployed vessels and aircraft immediately but arrived to find only an oil slick and sailors in the water ? the ship had already sunk.
Sri Lanka Navy recovered 87 bodies and rescued 32 survivors, all brought to Galle National Hospital (Karapitiya). A magisterial inquiry and post-mortems on 84 of the 87 bodies were completed on 5 March. Eighty of the 84 were formally identified by the survivors. Three bodies remained unidentified. The Iranian Armed Forces General Staff subsequently confirmed the total death toll at 104, accounting for those missing and presumed lost at sea. Ten sailors remained unaccounted for as of 12 March 2026.
According to Iran International, one killed sailor had called his father shortly before the strike, saying that US forces had issued two warnings to abandon the vessel. The Dena's commander reportedly refused to order the crew to abandon ship. Sailors who survived were mainly those who ignored that order and escaped via life rafts before the torpedo struck.
No individual crew names have been publicly released by Iran, Sri Lanka, or any news organisation as of 12 March 2026. The 84 identified names are sealed within the Galle magistrate's court record. This collective record will be updated with individual entries as names are officially confirmed.
On 11 March 2026, the Galle Chief Magistrate's Court ordered the 84 identified bodies handed to the Iranian Embassy for repatriation, overruling a US State Department cable urging Sri Lanka to withhold them. Twenty-two of the 32 survivors were discharged from hospital by 8 March 2026; ten remained in treatment.
Sources & References
www.aljazeera.com news.usni.org www.marineinsight.com www.theweek.in www.iranintl.com www.business-standard.com www.npr.org www.cnn.comExplore Further
The Galle Chief Magistrate's Court ordered repatriation of the 84 identified bodies on 11 March 2026. Individual names remain under a sealed court record. When Iran publishes the official crew manifest, each sailor should be added as an individual record with conflict_zone = 'sinking-iris-dena-2026' and this collective record set to active = 0. See the full roster of those killed in this conflict.
Among those documented in the same conflict: The Schoolgirls of Minab ? 165 Victims, Ayatollah Ali Khamenei, General Abdol Rahim Mousavi, General Qassem Soleimani.
