Sinking of IRIS Dena - Indian Ocean, 2026
Concluded · LK

Sinking of IRIS Dena - Indian Ocean, 2026

On 4 March 2026, the Iranian Navy frigate IRIS Dena was sunk in the Indian Ocean south of Galle, Sri Lanka. The US Navy's Los Angeles-class submarine USS Charlotte was identified as having fired the torpedo. The Dena was returning from the MILAN 2026 naval exercise in India. An estimated 87 to 104 Iranian sailors were killed, with 32 survivors rescued by the Sri Lanka Navy.

Began March 4, 2026 Ended March 4, 2026 1 documented
1
Documented
1
Combatants
1
Verified
2026
Years Active

About Sinking of IRIS Dena - Indian Ocean, 2026

On 4 March 2026, the Iranian Navy frigate IRIS Dena was sunk in the Indian Ocean south of Galle, Sri Lanka. The US Navy's Los Angeles-class submarine USS Charlotte was identified as having fired the torpedo. The Dena was returning from the MILAN 2026 naval exercise in India. An estimated 87 to 104 Iranian sailors were killed, with 32 survivors rescued by the Sri Lanka Navy.

This memorial has documented 1 person who died between March 4, 2026 and March 4, 2026. 1 were military or combatant personnel. Each name on this page represents a life that ended violently, abruptly, and irreversibly — a family shattered, a community bereaved.

This conflict is interconnected with other documented war zones — Operation Inherent Resolve, Operation Freedom's Sentinel, Minab School Strike, Iran ? 2026. Each of those pages maintains its own independent roster of the fallen.

The Fallen — 1 Documented

Showing 1–1 of 1

Crew of IRIS Dena (87 recovered, 104 confirmed dead)

Male 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.

Mar 4, 2026 Remember

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