The United States is deploying additional bombers and fighter aircraft. President Trump will convene leaders of major defense corporations to discuss accelerating weapons production. The U.S. Secretary of Defense has stated that engagement rules will no longer be followed. Meanwhile, an Iranian official claims over 500 American military personnel have been killed.
According to reports, U.S. Defense Secretary Pete Hegseth indicated on March 4 that the conflict with Iran could last for several weeks, potentially extending to eight weeks or longer. He stated that the pace of the conflict would be determined by the United States, suggesting it "could be four weeks, six weeks, or possibly eight weeks," with the U.S. controlling the speed and intensity of operations.
Separately, Iran's Khatam al-Anbiya Central Headquarters claimed that precision strikes on U.S. targets in Dubai, UAE, resulted in the deaths of at least 100 U.S. Marines.
In a social media post, Iran's Supreme National Security Council Secretary, Ali Larijani, alleged that more than 500 U.S. military personnel have died in the "war" launched against Iran by the United States and Israel. This claim has not been independently verified.
The Iranian military issued its 10th communique on March 4, stating that, in light of the attacks by the U.S. and Israel, large numbers of veterans and veterans of the Iran-Iraq War have requested to join active-duty forces in combat. This request has been approved by the Commander-in-Chief.
Iran's permanent representative to the United Nations Office in Geneva formally sent a letter to the Secretary-General of the Conference on Disarmament, issuing the strongest condemnation of the military aggression by the U.S. and Israel against Iran's sovereignty and territorial integrity. The letter emphasized that, under the framework of exercising the inherent right to self-defense, all U.S. bases, facilities, assets, and related interests in the region are considered "legitimate targets" for Iran.
A minimum of 80 deaths have been confirmed after video was released showing a U.S. attack on an Iranian naval vessel.
A Sri Lankan Deputy Foreign Minister informed local media on March 4 that the Iranian naval vessel "Iris Dana" sank near the Sri Lankan coast following an attack by a U.S. submarine. Approximately 80 bodies have been recovered from the sunken ship. The official stated the vessel was returning to Iran from a port in eastern India.
Sri Lankan Foreign Minister Vijitha Herath confirmed that the navy has recovered 87 bodies from the area near the attacked Iranian warship.
A Sri Lankan navy spokesperson, Budika Sampath, stated that rescue operations are ongoing in waters south of Sri Lanka for the distressed Iranian naval ship. So far, 32 individuals have been rescued, and some deceased victims have been recovered.
Sampath explained that after receiving a distress signal from the Iranian vessel, the Sri Lankan navy immediately notified the air force and dispatched ships with necessary equipment to the area for rescue operations. The 32 rescued individuals have been taken to a hospital in southern Sri Lanka for treatment. Search and rescue efforts by the navy, air force, and coast guard continue.
Sampath added that documents indicate the vessel was carrying 180 people, but the actual number requires verification. The survival chances of the remaining individuals are currently unknown, and every effort will be made to continue the search.
The "Iris Dana" was a Moudge-class frigate belonging to the Iranian Navy's Southern Fleet. In February, it participated in the 2026 International Fleet Review in India and a multinational maritime exercise led by the Indian Navy, a biennial event that is a key multilateral military platform in the Indian Ocean region.
The U.S. Central Command stated on March 4 that American forces have struck or sunk more than 20 Iranian vessels. The latest operation added a "Soleimani-class" warship to the list of destroyed assets.
U.S. Defense Secretary Hegseth confirmed that a U.S. submarine torpedoed and sank an Iranian warship in the Indian Ocean. He announced that additional bombers and fighter aircraft arrived in the theater on March 4.
Hegseth, alongside the Chairman of the Joint Chiefs of Staff General Mark Keane, held a press briefing at the Pentagon. Hegseth stated that the U.S. used a submarine-launched torpedo to sink an Iranian warship on March 3, marking the first torpedo launch by a U.S. submarine against an enemy vessel since World War II.
He claimed that the U.S. and Israel would gain "complete control" of Iranian airspace within a week, noting that attacks on Iran are "accelerating." He acknowledged, however, that air superiority does not mean Iran will cease missile launches.
Hegseth denied reports of ammunition shortages, stating that the U.S. and Israel no longer need to use "long-range" weapons to degrade Iranian air defenses and will instead employ cheaper GPS and laser-guided bombs to strike targets.
General Keane stated that U.S. forces would begin expanding operations "inland," progressively moving deeper into Iranian territory to create more operational freedom. He also reported that Iranian ballistic missile launches have decreased by 86% since the first day of combat, with a 23% drop in the last 24 hours alone, and drone launches have fallen by 73% since the initial stages.
The Trump administration has called a meeting at the White House on March 6 with leaders of major defense contractors, including Lockheed Martin and Raytheon, to discuss accelerating the production of weapons and ammunition. President Trump has previously stated that U.S. ammunition stockpiles are nearly limitless.
Defense Secretary Hegseth's declaration that the U.S. is "no longer adhering to engagement rules" in strikes against Iran has sparked significant controversy.
The joint U.S.-Israeli strikes on Iran have not only sharply escalated regional tensions but also caused a severe humanitarian disaster. On March 2, Secretary Hegseth stated at a Pentagon briefing that U.S. forces were discarding rules of engagement in military operations against Iran, remarks that have provoked widespread criticism.
An article published on the non-profit news site "Common Dreams" on March 3 argued that Hegseth's dismissal of what he called "stupid" engagement rules in an "illegal war" against Iran amounts to an invitation for U.S. and allied forces to commit war crimes. The article cited American historian Seth Cotlar, who commented that Hegseth's remarks highlight that the U.S. "is now a rogue murderous state and is very proud of it."
Television host Stephen Colbert satirized the Defense Secretary's assurance that the conflict would not resemble previous Middle Eastern quagmires, quipping, "We checked, the spelling of Iraq and Iran is indeed different."
Online commentators expressed outrage, with one user stating the speech was indistinguishable from extremist recruitment rhetoric. Another called for immediate Congressional hearings and Hegseth's removal from office. A further comment suggested the administration's attitude of "We are Americans. We do what we want!" would have consequences, while another interpreted Hegseth's words as meaning: "No rules, no accountability, no plan for what comes next," warning that such an approach creates power vacuums and instability, similar to the situations left behind in Iraq and Libya.
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