IRIS Dena Sinking Incident
The IRIS Dena, an Iranian warship, was sunk by a U.S. torpedo on March 4, 2026, in the Indian Ocean near Sri Lanka. This incident has escalated tensions between the United States and Iran, with conflicting narratives emerging regarding the circumstances of the sinking.
Immediately following the incident, the Sri Lankan navy reported that they rescued 32 sailors and recovered 87 bodies from the water. The U.S. Indo-Pacific Command has rejected Iran’s assertion that the IRIS Dena was unarmed at the time of the attack, stating that the warship posed a threat.
Iranian officials, including Deputy Foreign Minister Saeed Khatibzadeh, claimed that the IRIS Dena was operating in a non-combat role and was unarmed. Khatibzadeh described the vessel as “ceremonial” and stated, “That vessel was by invitation of our Indian friends, attending an international exercise. It was ceremonial. It was unloaded. It was unarmed.” This statement was made in light of the warship’s participation in a naval exercise in India prior to the sinking.
However, an Indian navy official contradicted this claim, asserting that the Iranian vessel was not “entirely unarmed” during the exercises. This discrepancy highlights the differing perspectives on the IRIS Dena’s operational status at the time of the incident.
U.S. Defense Secretary Pete Hegseth referred to the IRIS Dena as a “prize ship” that “died a quiet death,” emphasizing the significance of the event in the broader context of U.S.-Iran relations. The sinking of the IRIS Dena not only underscores tensions between the two nations but also extends the conflict beyond the Middle East.
Details remain unconfirmed regarding the exact circumstances surrounding the sinking of the IRIS Dena, as both nations continue to present conflicting accounts of the incident. The aftermath of this event may have lasting implications for naval operations and diplomatic relations in the region.