A thorough analysis of the mechanism of submarines. Are nuclear submarines noisy? What is their m... 日本軍事情報 2 years ago Play Download
[Horiemon] Japan's submarine technology is the best in the world. Even the U.S. wants our tech tr... ホリエモンGO【堀江貴文 切り抜き】 1 year ago Play Download
The only thing in the world that Japan's most advanced submarines are equipped with ミリタリースタジオ 1 year ago Play Download
[Explanation] Can the Soryu-class submarine really dive to a depth of 900m? ミリビア【Military Trivia】 3 years ago Play Download
