The AUKUS Allies Are Building a Fleet of Underwater Drones

Key Points

The U.S., U.K. and Australia launched a joint project to develop advanced underwater drones under AUKUS Pillar Two, focusing on advanced defense technologies.
The drones will be used for surveillance, reconnaissance, logistics, and precision strikes, with operational readiness expected by next year.
UK Defense Secretary John Healey acknowledged past criticism of AUKUS's pace, saying "we talked too much and delivered too little," and announced a £150 million investment.
The initiative aims to protect critical seabed infrastructure like cables and pipelines, amid growing concerns over suspicious maritime activity.
AUKUS Pillar One, focused on nuclear-powered submarines, remains on track for deployment in the 2040s, with Australia preparing HMAS Stirling for rotational deployments by late 2027.

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The United States, United Kingdom and Australia just announced a joint effort to develop advanced underwater drone technology. The goal? Protect critical seabed infrastructure and strengthen military capabilities across multiple regions.

This is the first major project under AUKUS Pillar Two, which is all about advanced defense technologies. And the three allies expect the new system to be operationally ready by next year, according to the BBC.

Project Focus

The program centers on uncrewed undersea vehicles equipped with sophisticated payloads, sensors and weapons systems. Officials say the drones will handle surveillance, reconnaissance, logistics missions and precision strike operations.

UK Defense Secretary John Healey said Britain will invest £150 million (about $201 million) into the effort. He also acknowledged the criticism that the alliance has been moving too slowly. "For too long in Aukus, we talked too much and delivered too little," Healey said. He added, "that has now changed under our three governments."

Infrastructure Security

Defense officials say the technology will help secure underwater assets that support global communications and energy networks. Healey noted that daily life depends heavily on subsea cables and pipelines. The announcement follows growing concerns over incidents involving damaged seabed infrastructure in Europe and Asia. Western governments have increasingly raised alarms about suspicious maritime activity near critical underwater networks.

Strategic Context

AUKUS launched in 2021 with plans to deepen military cooperation among the three nations. The partnership includes nuclear-powered submarine development and collaboration on emerging technologies. Many analysts view the alliance as a response to expanding Chinese maritime influence across the Indo-Pacific region. Officials, however, declined to directly link the new drone initiative to Russian or Chinese activities, the BBC adds.

Submarine Program Continues

The ministers also defended progress under AUKUS Pillar One, which focuses on nuclear-powered submarines. The vessels remain scheduled for deployment during the 2040s. Australia's Defense Minister Richard Marles said work continues on infrastructure projects supporting future submarine operations. He said HMAS Stirling in Western Australia should be prepared to host rotational submarine deployments by late 2027.