Why is Japan's attack on Pearl Harbor seen by historians as a mistake?​

Zimm, Japanese Captain Mitsuo Fuchida, who led the aerial attack on Pearl Harbor, made a critical mistake by firing two flares, which signaled to his aviators that they had not caught the Americans by surprise. As a result, they used more cautious tactics and inflicted far less damage than they might have

Zimm, Japanese Captain Mitsuo Fuchida, who led the aerial attack on Pearl Harbor, made a critical mistake by firing two flares, which signaled to his aviators that they had not caught the Americans by surprise. As a result, they used more cautious tactics and inflicted far less damage than they might have.

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