Two UK-backed underwater technology firms show systems at AUKUS exercise in San Diego
Two UK companies backed by UKDI, SEA Ltd and DAS Ltd, showed underwater technology at Maritime Big Play, an AUKUS exercise held off San Diego in October 2026. SEA presented a tool that predicts how well underwater communications will work, while DAS showed software that coordinates fleets of autonomous underwater vehicles. The companies say the demonstrations will help them refine the technology for future allied operations.
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What does it mean?
UK-backed companies are testing new software that helps navy vehicles work underwater. One tool helps predict how well underwater messages will get through, and the other helps many robot submarines share jobs without needing constant control from a central base.
Who is affected?
Navies and defence planners working with autonomous underwater vehicles, and the UK companies developing this software.