Thales Revolutionizes the Underwater Battlespace with New Sonar 76Nano

15 December 2025

Uncrewed underwater vessel with 76Nano Sonar. (Image credit: Thales)

Thales has introduced the prototype of Sonar 76Nano, a revolutionary miniaturized acoustic detection system intended to redefine maritime security for the UK, NATO, and their allies. Building on the world-class legacy of the renowned Sonar 2076, the Sonar 76Nano directly supports the UK Government’s Strategic Defense Review and Defense Industrial Strategy ambitions to strengthen national security and UK industrial capability.

Innovation That Keeps Our Warfighters Ahead of Emerging Threats

From concept to real-world prototype in just 10 months, Sonar 76Nano sets a bold new standard in agility, innovation, and operational excellence. Thanks to its modular and flexible design, this sonar system can be deployed onboard a wider range of uncrewed underwater vehicles (UUV) and seabed monitoring systems rather than being limited to large, high-value platforms. It empowers greater flexibility and responsiveness across naval operations through a hybrid fleet—an approach aligned to the Royal Navy’s Atlantic Bastion vision for integrated defense across the North Atlantic and beyond.

Key Features and Breakthroughs

Miniaturized, proven technology: leveraging trusted Sonar 2076 capabilities in a compact, versatile form factor.
Modular deployment: seamlessly integrated across the full spectrum of platforms—uncrewed systems to crewed systems.
AI-enhanced acoustic detection: artificial intelligence accelerates target identification and decision-making with unprecedented precision.
Digital native integration: fully compatible with existing defense infrastructure, enhancing interoperability across UK and NATO forces.
Rapid development cycle.

This fast-paced innovation cycle underscores Thales’s commitment to fostering agility, cutting-edge research, and secure supply chains – directly supporting UK high-value jobs and driving technological exports.

Public Debut with the Royal Navy

On December 17, Sonar 76Nano will make its official public debut with the Royal Navy at a technology demonstrator, marking a pivotal moment for maritime defense. This will allow naval personnel and experts to witness the prototype’s capabilities first-hand and engage with Thales’ leading engineers and scientists.

Sonar 76Nano shows how strategic government defense priorities can drive tangible innovation that strengthens UK maritime dominance and industrial capability.

“Sonar 76Nano is a landmark innovation and a vivid demonstration of what focused ingenuity and collaboration can achieve with tight deadline. In just ten months, our world-class teams have progressed from visionary concepts to an advanced prototype that sets the stage for the next generation of underwater security and agility. As we present this innovation to the Royal Navy, we reaffirm our commitment to keeping the UK at the forefront of global maritime security,” said Paul Armstrong, Managing Director Underwater Systems, Thales in the UK.