A photograph taken at Pearl Harbor on March 29 showed something unusual on the aft deck of the USS Carl M. Levin (DDG-120): a launcher that nobody outside the Navy could immediately identify. Mounted between the destroyer’s port-side torpedo tubes and its rear Mk 41 Vertical Launching System array, the multi-cell launcher sits in a position that suggests one purpose — killing drones. The image, first published by the U.S. Marine Corps and spotted by defence analysts on social media, has since triggered intense speculation. The launcher’s trapezoidal profile and compact dimensions don’t match any weapon system currently known to be deployed on Arleigh Burke-class destroyers. Something new is being tested at sea.

What Is White Spike?

The leading theory among analysts centres on the White Spike interceptor, a product of Zone 5 Technologies being evaluated under the Pentagon’s Counter Unmanned Aerial Systems — NEXT (Counter-NEXT) programme. Run by the Defense Innovation Unit since 2024, Counter-NEXT has focused specifically on naval applications — finding ways to protect warships from the swarms of cheap drones that have already proven lethal in the Black Sea, the Red Sea, and now the Persian Gulf. White Spike’s trapezoidal front profile matches the launcher spotted on the Carl M. Levin. The system is designed to be a low-cost, rapid-reaction interceptor — something a destroyer can fire in volume without burning through its limited supply of multi-million-dollar Standard Missiles or Evolved Sea Sparrows.

The timing is not coincidental. The ongoing conflict with Iran has seen multiple drone and missile attacks on US naval assets and allied shipping in the Persian Gulf and Red Sea. A Houthi-style or Iranian drone swarm attacking a destroyer presents a nightmare scenario: the ship’s Aegis combat system and its Standard Missiles are designed for high-end threats — ballistic missiles, cruise missiles, fast jets. Using a $2 million SM-2 to kill a $20,000 drone is the same cost asymmetry problem that land-based systems like Skyhammer are trying to solve.

The Drone Problem at Sea

The US Navy has been scrambling to add counter-drone capabilities to its fleet since the Houthi campaign in the Red Sea demonstrated just how vulnerable surface ships can be to cheap, swarming attacks. Destroyers have been firing millions of dollars’ worth of missiles at targets that cost a fraction of the price. The Pentagon has acknowledged the problem publicly, and the Defense Innovation Unit has been running accelerated programmes to field new solutions. Adding a dedicated counter-drone launcher to the aft deck of a destroyer is a practical solution. It doesn’t require modifying the ship’s main VLS cells — those remain loaded with Standard Missiles and Tomahawks for their intended missions. Instead, the new launcher sits in an add-on position, providing a dedicated short-range layer that can engage drone threats without depleting the ship’s primary magazine.

What Comes Next

The Navy has not officially confirmed what the launcher is, and the Carl M. Levin’s crew has not commented. That silence is typical for systems still under operational evaluation. But the fact that the launcher was visible in an unclassified photograph — taken during routine port operations at Pearl Harbor — suggests the Navy is not treating the system as classified hardware. It may already be close to a wider fleet rollout. If White Spike or a similar system proves effective, expect to see it on destroyers across the fleet within months. The drone threat is not theoretical — it is happening now, in multiple theatres simultaneously. The Navy needs a cheap, fast answer. Whatever is sitting on the Carl M. Levin’s aft deck might be exactly that.

Sources: The War Zone, USNI News