Inside Japan’s Advanced Underwater Carrier Concept Japan is investing heavily in advanced underwater platforms designed to strengthen its naval capabilities. In this video, we explore Japan’s $1 billion underwater carrier concept, how it works, and how modern submarines are evolving to support drones, surveillance, and long-range operations. This is a technical look at naval innovation, stealth design, and the future of undersea warfare — without hype or politics. What role do you think submarin