Washington: The United States military has opened fire on a Panama-flagged cargo ship in the Gulf of Oman after accusing the vessel of attempting to breach a US naval blockade on Iranian ports.

The incident occurred early Tuesday, when the M/V Vela Nova was travelling westward through the Gulf of Oman toward an Iranian port. According to US officials, the vessel ignored repeated warnings issued by American forces enforcing the blockade.

A US Navy MH-60 helicopter subsequently fired two Hellfire missiles at the ship’s engine room, disabling the vessel and preventing it from continuing toward Iran. The US military said the action was taken to enforce the blockade, which remains in effect.

The attack took place around 71 nautical miles off the coast of Pakistan. Initial reports indicated that the vessel’s crew was attempting to transfer to another civilian ship following the strike. There were no immediate reports of casualties.

The incident represents another escalation in Washington’s efforts to enforce restrictions on maritime traffic linked to Iran. The United States had imposed a naval blockade on Iranian ports earlier this year and later reimposed it in July following renewed attacks on shipping in and around the Strait of Hormuz.

According to the US military, American forces have already redirected dozens of vessels attempting to bypass the blockade and have boarded or disabled several ships. The latest incident involving the Vela Nova marks another direct confrontation between US forces and commercial shipping operating in the region.

The blockade has significant implications for international trade because the waters around the Strait of Hormuz and Gulf of Oman are critical routes for global energy supplies. Continued restrictions and military encounters in the region have increased concerns about shipping safety, insurance costs and potential disruptions to oil markets.

The latest confrontation also comes amid broader military tensions between the United States and Iran. With commercial vessels increasingly caught between competing maritime restrictions and military operations, shipping companies face growing uncertainty over whether vessels can safely reach Iranian ports or transit nearby waters.

For Washington, the incident sends a clear message that vessels attempting to enter Iranian ports in violation of the blockade could face military action. For the international shipping industry, however, the episode highlights the growing risks of operating in one of the world’s most strategically important maritime corridors.