XV Excalibur / CETUS Context

Specifications

  • Power System: Battery powered
  • Payload Posture: Internal volume and external interfaces for experimental payloads
  • Classification: Extra-large uncrewed underwater vehicle (XLUUV)
  • Length: 12 m
  • Programme: Project CETUS / XV Excalibur
  • Trial Contract: GBP 6.68M trial and evaluation phase through 1 May 2028
  • Displacement: 19 t (December 2025 government handover report); current manufacturer lists 25,000 kg weight

Comparable Systems

View XV Excalibur / CETUS overview