Uncrewed vessel · Undersea
XV Excalibur
Royal Navy 12 m experimental extra-large uncrewed underwater vessel (XLUUV) built by MSubs under Project Cetus; in September 2026 it launched an exercise US Mk 48 heavyweight torpedo in an AUKUS trial.
by MSubs
PrototypeUncrewed vesselUndersea
- Milestones0
- Operators1
- Components—
- Programs—
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Uncrewed vessel · No licensed photo on file
About XV Excalibur
Royal Navy 12 m experimental extra-large uncrewed underwater vessel (XLUUV) built by MSubs under Project Cetus; in September 2026 it launched an exercise US Mk 48 heavyweight torpedo in an AUKUS trial.
Timeline
No milestones recorded for XV Excalibur yet. The timeline fills in as unveilings, tests, contracts and deliveries are sourced.
Operators1
- GBUnited Kingdom