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Unmanned Marine Systems

Asked by James CartlidgeConservativeMinistry of DefenceTabled Answered 12 March 2025UIN 35729

The question

To ask the Secretary of State for Defence, what his target in service date is for CETUS.

Answered by Maria Eagle

CETUS is undergoing Integrated Test, Evaluation and Acceptance trials which are expected to complete in the summer, before handover to the Royal Navy. This is six months later than planned because of an amendment to the original design of the vessel. CETUS will continue progressive experimentation and capability demonstration activities until late 2027.

CETUS is a capability demonstrator, so will enable greater understanding of how this type of vehicle can be operated, maintained and commanded - it is not intended to enter operational service and therefore does not have a target in-service date.

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