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Unmanned Marine Systems: Procurement

Asked by Ben Obese-JectyConservativeMinistry of DefenceTabled Answered 18 December 2025UIN 98874

The question

To ask the Secretary of State for Defence, when the SG-1 Fathom will be brought into service.

Answered by Luke Pollard

Under Atlantic Bastion, announced in the Strategic Defence Review, the Royal Navy (RN) will be exploiting new technologies through a portfolio of crewed and uncrewed vehicles, sensors and nodes.

Helsing, who make the SG-1 Fathom, conducted a technology demonstration for the RN in December 2025. The Royal Navy are running a competition for Atlantic Net, which is the first phase of Atlantic Bastion, and in full adherence to commercial regulation, will conduct a fair and transparent assessment against peer proposals ahead of any contract award.

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