U.S. Navy Seizes Iranian Cargo Ship Touska Using Naval Gunfire in Gulf Interdiction Operation.

U.S. forces seized an Iranian-flagged cargo vessel in the Gulf of Oman, directly testing the limits of a fragile regional ceasefire and raising the risk of naval escalation. The boarding signals Washington’s willingness to enforce sanctions at sea, with immediate implications for maritime security and freedom of navigation in a critical chokepoint.

The operation demonstrated the ability to intercept and control suspect shipping in contested waters, reinforcing U.S. maritime interdiction and deterrence capabilities. Such actions highlight the growing role of naval power in economic warfare and crisis management, where control of sea lanes can quickly translate into strategic leverage.

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Screenshots from U.S. Central Command footage showing the pursuit of the Iranian-flagged cargo vessel Touska by a U.S. Navy ship in the Arabian Sea, and  the helicopters used during the interception and boarding operation (Picture source: CENTCOM X Account)

According to U.S. officials, the Touska, a cargo vessel approximately 270 meters in length, was en route to the Iranian port of Bandar Abbas when it was intercepted in the Arabian Sea by the guided-missile destroyer USS Spruance. The U.S. vessel issued multiple warnings over six hours, stating that the ship was violating the terms of the blockade. After the crew failed to comply, the destroyer ordered the evacuation of the engine room before using force to halt the vessel’s movement.

U.S. Central Command stated in a video released on April 20, 2026, that the operation was conducted from the USS Tripoli, an America-class amphibious assault ship (LHA-7). This vessel, displacing around 45,000 tons, is designed to project expeditionary forces, particularly through air-based operations, including helicopter assaults and rapid Marine deployments. USS Tripoli can operate rotary-wing aircraft as well as short takeoff and vertical landing aircraft such as the F-35B Lightning II, although only helicopters were visible in the footage. The boarding sequence relied on an aerial insertion followed by a fast-rope descent, allowing personnel to access the deck without landing.

Within this sequence, the USS Spruance, an Arleigh Burke-class destroyer deployed in support of the interception effort, played a central role in disabling the vessel. Designed for air defense, surface warfare, and precision strike missions, this type of ship is equipped with the Aegis combat system and AN/SPY-1 multi-function radars capable of tracking multiple air and surface targets simultaneously. It also carries vertical launch system cells that can deploy Standard missiles for air defense and Tomahawk cruise missiles for long-range strikes exceeding 1,000 kilometers.

As part of the interception, U.S. Central Command stated that the destroyer used its Mk 45 127 mm naval gun. Several rounds were fired into the vessel’s engine room to disable its propulsion. This artillery system, capable of engaging targets at distances beyond 20 kilometers depending on the ammunition used, is designed for precision fire against surface targets. The objective was to immobilize the ship without causing major structural damage, thereby facilitating its seizure.

Once the vessel was disabled, Marines from the 31st Marine Expeditionary Unit (MEU) boarded it. The footage suggests the use of Sikorsky MH-60 Seahawk helicopters, commonly employed by the U.S. Navy for maritime surveillance and intervention missions. Equipped with surface-search radar and advanced navigation systems, the MH-60 has an operational range exceeding 400 nautical miles depending on configuration. It can also be fitted with side-mounted machine guns, providing close-range protection during boarding operations in uncertain environments.

The U.S. operation is part of a naval blockade initiated on April 13 following the failure of negotiations between Washington and Tehran. This deployment involves approximately 10,000 personnel, more than a dozen warships, and over 100 combat and surveillance aircraft. Under the rules of engagement, any vessel traveling to or from Iranian ports is subject to interception, while other ships may continue to transit through the Strait of Hormuz.

Since the start of the operation, U.S. forces report having intercepted or redirected at least 25 commercial vessels. The Touska case fits within a broader pattern of interdictions aimed at controlling maritime traffic linked to Iran. Washington also states that the vessel is under U.S. Treasury sanctions due to previous activities it considers illegal.

Iranian military authorities, for their part, describe the incident as a violation of the ceasefire and characterize the operation as an act of piracy. They state that a military response is under consideration, although no specific measures have been detailed. Iran already maintains asymmetric naval capabilities in the region, including armed fast-attack craft capable of conducting coordinated close-range operations against larger vessels.

In addition, Tehran relies on coastal anti-ship missile systems such as the Noor and Qader, with estimated ranges between 120 and 300 kilometers, enabling coverage of a large portion of the Strait of Hormuz. Naval mines also remain a credible option to disrupt maritime traffic, as demonstrated in previous incidents in the region. These capabilities are complemented by surveillance and strike drones used to monitor naval movements and potentially conduct targeted attacks. In a constrained maritime environment, such tools provide Iran with options for graduated responses, allowing it to increase pressure without immediately engaging in direct conventional naval confrontation.

Written By Erwan Halna du Fretay - Defense Analyst, Army Recognition Group
Erwan Halna du Fretay holds a Master’s degree in International Relations and has experience studying conflicts and global arms transfers. His research interests lie in security and strategic studies, particularly the dynamics of the defense industry, the evolution of military technologies, and the strategic transformation of armed forces.