Defense contractor Saab has rapidly built and tested a large uncrewed underwater vehicle demonstrator, known as LUUV, in collaboration with Swedish defense authorities. The entire development process took less than a year from the initial contract to completing its first successful sea trials. This milestone provides engineers with a working physical platform to test and refine in actual ocean conditions rather than relying solely on computer simulations.
The Swedish Defence Materiel Administration and the Swedish Armed Forces are actively involved in the project, working side by side with Saab engineers to evaluate whether the technology meets military operational needs. Mats Wicksell, head of Saab’s Naval business area, noted that the rapid timeline highlights the strength of the partnership between industry and government bodies in translating new technologies into practical operational value. While the current build is strictly an early working demonstrator rather than a finished product ready for regular service, initial sea trials offer a crucial baseline for real-world performance.
Underpinning the platform is Saab's proprietary Autonomous Ocean Core software, which is engineered to allow both surface and underwater vessels to operate autonomously without constant human intervention. Moving forward, the development roadmap includes introducing advanced autonomous functions, software upgrades, and new sensor integrations to extend mission endurance and improve underwater surveillance capabilities. Although Saab has not yet disclosed specific metrics such as size, maximum depth, speed, or payload capacity, Swedish military authorities will utilize data from these ongoing trials to determine future investments and procurement strategies.
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