Iran Captures Anduril 3D Printed Underwater Drone in Strait of Hormuz

Iran's Revolutionary Guard Corps says it captured an American-made underwater drone near the Strait of Hormuz last week, and the images it released tell an interesting story for anyone following additive manufacturing in defense.

What the Drone Is

The vessel is an Anduril Dive-LD, an uncrewed underwater vehicle about 5.8 meters long. It is built for intelligence, surveillance, and reconnaissance missions, and it can also handle demining operations. Anduril designed it to operate in contested waters where losing a unit is an acceptable risk.

The 3D Printing Angle

The leaked photographs show the drone's payload bay uses a 3D printed structure. This is not unusual for modern defense hardware, but it is a reminder that additive manufacturing has moved well beyond prototyping into mission-critical components. The Dive-LD can carry different payloads depending on the mission, and the printed bay makes that swapping faster and cheaper than traditional tooling.

Anduril confirmed the loss in a statement but played it down. The company called the Dive-LD an attritable system, meaning it was built with the expectation that some units would not come back. From a cost perspective, losing a drone with a 3D printed payload section is easier to absorb than one built entirely from machined aluminum or carbon composite.

Why It Matters

The capture gives Iran a chance to inspect American uncrewed underwater systems up close. For the defense additive manufacturing world, it is a real-world demonstration that 3D printed parts are now standard in high-end military hardware, not just a selling point on a spec sheet.