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Vehículos submarinos autónomos y buques de investigación en el mar
Tecnología marítima autónoma en demostración. · Imagen generada para EPM

Maritime Big Play showcases AUKUS innovation by SEA and DAS

Maritime Big Play brought innovators from the United Kingdom, the United States and Australia together off San Diego last month.

--- The context --- Last month, off San Diego, California, the waters became a proving ground for advanced maritime technologies emerging from the AUKUS partnership. Innovators from the United Kingdom, the United States and Australia came together for Maritime Big Play, presented as a demonstration of how AUKUS Pillar II seeks to address shared security challenges in an increasingly contested maritime environment. --- The facts --- Among those representing the United Kingdom were companies funded by UKDI: SEA Ltd, Systems Engineering & Assessment Ltd, based in Frome, and DAS Ltd, Decision Analysis Services Ltd, headquartered in Basingstoke. SEA demonstrated its Acoustic Deployment Environment Planning Tool, ADEPT, a capability that uses high-resolution environmental data and advanced acoustic modelling to predict and optimise underwater communications performance. DAS Ltd demonstrated the Autonomous Fleet Task Assignment Framework, AF-TAF, software designed to coordinate fleets of autonomous underwater vehicles. As presented, it enables those vehicles to collaborate through distributed decision-making, allocate tasks to one another and maintain mission effectiveness, with less reliance on central command and control orchestration and with improved responsiveness in environments where communications are degraded or denied. --- The positions --- Marcus Donnelly, the environmental data science technical lead at SEA, was reported as saying that underwater communications are critical, particularly as navies make greater use of autonomous and uncrewed systems, and that ADEPT helps operators predict and optimise performance. Anthony Dunn, lead consultant at DAS, was reported as noting that AF-TAF also supports planners. For UKDI, the exercise showed its investment taking technologies from development to demonstration alongside allies. --- What remains unknown --- The source does not detail service entry timelines, costs, measured results from the exercise or procurement decisions. It also does not specify what steps SEA and DAS will take next, or how ADEPT and AF-TAF will be integrated into routine operations by the Royal Navy or allied forces. --- Unanswered questions --- When will ADEPT and AF-TAF move from demonstration to sustained operational use? What concrete results did the trial off San Diego produce for each tool? How will these capabilities be integrated into the routine operations of the Royal Navy and its allies? --- EPM analysis --- The value of the exercise lies in practical contrast: showing the tools in an operational environment alongside AUKUS partners, not only describing them. ADEPT addresses a basic bottleneck, communicating underwater, while AF-TAF addresses another, coordinating autonomous vehicles when the link fails. Sir Stephen Lovegrove, the Prime Minister's Special Representative on AUKUS, also attended. 📌 EPM Take: In EPM's view, Maritime Big Play matters for what it demonstrated in the water rather than for the announcement around it: tools designed to communicate beneath the sea and to coordinate autonomous vehicles moved from development toward demonstration alongside allies. That transition, backed by UKDI and observed off San Diego, brings these capabilities closer to real operational use within AUKUS Pillar II. The pending test remains sustained adoption, integration into routine operations and the concrete benefit for allied fleets in demanding maritime environments over time.
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