MSubs-built XV Excalibur handed over to Royal Navy
The MSubs-built XV Excalibur extra-large uncrewed underwater vehicle was handed over to the Royal Navy after acceptance trials.
Evidence notes
- XV Excalibur is a 12-metre, 19-tonne extra-large uncrewed underwater vehicle.
- The vehicle was developed by the Submarine Delivery Agency in partnership with MSubs under Project Cetus.
- Acceptance trials followed its February 2025 launch and preceded Royal Navy test and evaluation work.
Company context
UK autonomous underwater vehicle and submersible systems company named in Sonardyne autonomous naval platform partnership materials.