Iran Captures US Anduril Dive-LD Drone in Hormuz

Military Sentinel, Strait of Hormuz – Iran’s Islamic Revolutionary Guard Corps (IRGC) recovered a largely intact U.S. Navy Anduril Dive-LD autonomous underwater vehicle (AUV) on September 8, 2026, after the drone malfunctioned during a hydrographic survey mission and sat disabled for more than 24 hours before it was seized.

What Happened

Iranian state media announced the capture on September 8, and U.S. Central Command (CENTCOM) confirmed the vehicle had failed during a routine survey run rather than being intercepted in an active engagement. Photos circulated by Iranian sources showed the AUV’s roughly 5.8-meter cylindrical hull, nose cone, flood holes, and X-form stern control surfaces largely undamaged. CENTCOM said the vehicle carried no classified sonar, radar, or sensitive collected data. Anduril separately confirmed the lost unit had logged thousands of hours of operating time across months of CENTCOM missions a claim from the manufacturer that has not been independently verified.

Background: A Drone at the Center of Hormuz Mine-Clearance Operations

The Dive-LD entered U.S. Navy service after training with UUVGRU-1 and UUVRON-3 units beginning in December 2024, with the first delivery announced in April 2025 meaning Iran’s capture came roughly 17 months after fielding began. CENTCOM had expanded counter-mine drone operations in the strait since April 2026, deploying the AUVs alongside crewed mine warfare ships, uncrewed surface vessels, and Navy divers to keep shipping lanes open through a waterway that historically carried about a quarter of the world’s seaborne oil.

Specifications reported for the Dive-LD include a weight of roughly 2,720–2,800 kg, a length near 5.8 meters, a maximum operating depth of 6,000 meters, up to 10 days of mission endurance, speeds of 2–8 knots, and a range approaching 600 km. Navigation relies on the SPRINT-Nav X hybrid acoustic-inertial system and AvTrak 6 communications hardware, since GPS cannot reach a submerged vehicle. The drone’s modular, additively manufactured design allows sonar, optical, and other payloads to be swapped without a full redesign a feature intended to support mine reconnaissance, seabed mapping, and intelligence-preparation missions.

Strategic Implications

The incident highlights a structural trade-off in long-endurance autonomous systems: the same independence that lets the Dive-LD operate hundreds of kilometers from a recovery ship also means a malfunction can leave it stranded beyond timely retrieval. While CENTCOM downplayed the loss of sensitive data, an intact hull still gives Iran access to propulsion, pressure-hull, navigation, and payload-interface engineering details, even without classified electronics.

Iran has a track record of recovering U.S. uncrewed systems, including the RQ-170 Sentinel in 2011 and attempted or temporary seizures of Saildrone USVs in 2022. Whether components from the Dive-LD are shared with Russia or China remains unconfirmed.

The Dive-LD also shares its underlying technology base developed originally by Dive Technologies, acquired by Anduril in 2022 with Australia’s larger Ghost Shark extra-large UUV program, underscoring why allied navies are watching the incident closely as they scale up uncrewed undersea capabilities.