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Spain Revolutionizes the Naval World with a Submarine that Challenges the US and Surpasses the S‐81

Summary by Confidencial Digital
Strategic context and international challenge The oceans are once again the scene of geopolitical competition.According to data from the Ministry of Defense and the Navy, Spain has deployed an advanced submerged weapon, capable of operating under the sea with its own autonomy. The S‐80 Plus, manufactured by Navantia in Cartagena, exhibits an AIP‐BEST propulsion (Bio‐Ethanol Stealth Technology) that dramatically differentiates it from other conve…
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Strategic context and international challenge The oceans are once again the scene of geopolitical competition.According to data from the Ministry of Defense and the Navy, Spain has deployed an advanced submerged weapon, capable of operating under the sea with its own autonomy. The S‐80 Plus, manufactured by Navantia in Cartagena, exhibits an AIP‐BEST propulsion (Bio‐Ethanol Stealth Technology) that dramatically differentiates it from other conve…

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Confidencial Digital broke the news in on Wednesday, June 25, 2025.
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