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Defence Equipment: Procurement

Asked by James CartlidgeConservativeMinistry of DefenceTabled Answered 9 March 2026UIN 117361

The question

To ask the Secretary of State for Defence, with reference to his Department's press release entitled Enemy weapons detector in the hands of soldiers five years early, published on 14 February 2026, how many SONUS systems have been procured as of 24 February 2026.

Answered by Luke Pollard

The SONUS system is an Acoustic Weapon Locating capability part of a wider programme which is delivering the next generation of Weapon Locating Sensors to enhance the capabilities of the 5th Regiment Royal Artillery.

In January 2026, Leonardo UK was awarded a contract to deliver eight SONUS Acoustic Weapon Locating Sensors to the British Army. This state-of-the-art technology will play a critical role in enhancing the Army’s ability to detect and locate weapon systems with precision and efficiency.

As part of the delivery schedule, 5th Regiment Royal Artillery will receive two sensors by the end of FY 2025-26, enabling the achievement of Minimum Deployable Capability. The remaining six systems will be delivered in FY 2026-27, achieving the Full Deployable Capability before year end.

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