US Naval Drones Confirmed Deep Inside Iranian Waters

Tanker Strikes Expose Wider US Naval Footprint Near Iran

According to a report by The Maritime Executive, US Central Command has inadvertently confirmed that American unmanned naval assets are operating well inside Iranian territorial waters, following a round of retaliatory strikes on Iranian tanker traffic. The disclosure came after CENTCOM responded to a failed Iranian ballistic-missile attack on a US aircraft carrier in the Gulf of Oman with strikes on several vessels.

Two tankers were hit in the Gulf of Oman: the Comoros-flagged Kylo (IMO 9189146), sailing in ballast, which sank, and the Iranian-flagged Stark-1 (IMO 9171450), disabled off Jask after loading cargo at the Kooh Mobarak Single Point Mooring days earlier. A third vessel, the Iranian-flagged Downy (IMO 9218480), was disabled in ballast off Kharg Island inside the Gulf.

A Sea Drone Gives Away Its Position

What drew particular attention was footage of the burning, sinking Kylo, shot from sea level — evidently from a US naval sea drone positioned just meters from the hull. Social media clips placed the tanker close to the Iranian coastline, meaning the drone recording the strike was itself operating inside Iranian territorial waters.

The capability is linked to the Fifth Fleet’s Task Force 59, which has built out unmanned surveillance operations since being stood up in September 2021. Per the source, this same drone network is credited with helping the US Navy clear mines in the Strait of Hormuz and prevent Iranian forces from laying new ones — reportedly pushing Iran toward the costlier, less efficient tactic of using Fajr-5 rockets to mine waters instead.

Operational Fallout for Tanker Owners

The strikes are also likely to shut down, at least temporarily, the Kooh Mobarak SPM as a loading point. The source notes Iran had previously used this mooring to try to move cargo along its coastline and into Pakistani waters and import terminals — a route now considered too exposed to continue while the conflict runs on.

What This Means for Owners and Managers

For commercial operators, the confirmed presence of US drone assets deep inside Iranian waters signals that the Gulf of Oman and the approaches to the Strait of Hormuz have become an active battlespace, not merely a zone of elevated risk. Vessels transiting or loading near contested moorings such as Kooh Mobarak, or passing close to Kharg Island and Jask, face a materially higher chance of being caught in strikes aimed at other targets, regardless of flag or cargo status — as the loss of the Comoros-flagged Kylo demonstrates.

This raises practical questions for ship managers and charterers: voyage planning through the region now needs to account not just for missile and mine threats but for the possibility of naval drone activity and retaliatory strikes on vessels loading at specific terminals. Owners considering charters into or near these waters should factor updated war-risk cover, closer AIS and route monitoring, and contingency planning for disabled or damaged tonnage into their operational decisions. For vessels that do sustain damage or suffer machinery or hull issues after transiting the area, prompt condition surveys become essential — both to establish seaworthiness before further voyage and to document damage for insurance and P&I purposes. Independent, timely surveys are likely to matter more than ever for any tanker that has been anywhere near the Gulf of Oman or the Strait of Hormuz in the current climate.

Looking Ahead

With mine-clearing and mine-laying activity, missile exchanges, and now confirmed drone incursions all occurring in the same waters, the risk profile for tankers operating near Iran has shifted quickly. Owners and managers with vessels scheduled through the region should treat routing decisions, insurance arrangements, and post-transit inspections as immediate priorities rather than routine considerations.

Reviewed by Ibrahim Halil Ceylan, Marine Surveyor at Apeks Marine.