The United States Indo‑Pacific Command (INDOPACOM) has issued a forceful rebuttal to Iranian assertions that the Iranian warship IRIS Dena was unarmed when it was struck and sunk by a U.S. submarine near Sri Lankan waters, declaring Tehran’s claim “false” and reaffirming that the vessel was a valid military target under international law. The statement, posted on INDOPACOM’s official social media channel, underscored that the Law of Armed Conflict authorizes the use of force against legitimate military targets and that the operation was conducted in accordance with those legal standards.
INDOPACOM’s response comes amid heightened tensions following the March 4 sinking of the Iranian frigate off the coast of Sri Lanka, an incident that saw dozens of Iranian sailors killed and others rescued by Sri Lankan authorities after a distress call was issued. Iran has vehemently maintained that the vessel was returning from a multinational naval exercise and was unarmed, denouncing the attack as a violation of international law; however, the U.S. command categorically dismissed that characterization.
In its statement, the U.S. military also highlighted that U.S. forces had planned the response, and that Sri Lanka played a critical role by providing life‑saving support to survivors in compliance with the Law of Armed Conflict, a point that signals Washington’s emphasis on adherence to legal and humanitarian norms even amidst military engagement. Sri Lankan naval units recovered injured crew members and transported them to medical facilities, with authorities treating survivors under international law and coordinating further care.
The dispute over the circumstances surrounding the IRIS Dena’s sinking has added to broader geopolitical strains, with Iran lambasting the strike and suggesting possible repercussions. Sri Lanka, for its part, has sought to balance its neutral stance by asserting its commitment to international legal obligations while managing humanitarian assistance and the presence of other Iranian naval personnel in its waters.
