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Japan realized the value of #submarines in WWI and woke up! Securing #German technology and successfully producing submarines domestically, but in today's world, of course, submarine blueprints would be considered top secret, not even first-class! However, an unexpected person played a big role in #Japan's acquisition of German #submarine blueprints?! He was none other than #Kawasaki, a professional manager now famous for #motorcycles, a major Japanese company, and #Matsukata Kojiro, the #gold, no, #diamond spoon of Japan at the time who was famous for collecting world-class art. How did he, a professional manager of a shipyard and an art lover, move the hearts of the ultimate technicians, the German submarine designers? On the other hand... #The United States, which chose a deadly operation targeting merchant ships and supply ships from the beginning of the Pacific War, and attempted a #war of destruction of trade. When you think of the United States, it's the country of supply! It's a #celestial nation that has nothing to envy in the world, but... That's just the story of today. At the start of the war, the US also focused on seizing control of the seas and destroying enemy supply routes through submarines. This is how the US #fish market submarine shop was created (I will explain in detail in the main story!) Dozens of submarines were dispatched! And, they kept hitting! But, they didn't explode! Not to mention that they didn't explode, the torpedoes I shot were even attacking me?!! The latest strategic asset, submarines, and their unexpectedly shabby performance. The reason is none other than the #torpedo #scandal! Did the torpedoes cheat? The bloody screams of the submarine commanders who are grabbing each other's necks!! Let's dig into the story inside! #ReverseCafe #PacificWar #Submarine #TorpedoScandal #Gyroscope #MilitaryScienceSchool