What Japanese Admirals Said When Decoding American Submarine Intelligence скачать в хорошем качестве

What Japanese Admirals Said When Decoding American Submarine Intelligence

By 1943, Japanese admirals began to notice a disturbing pattern: American submarines were intercepting convoys with uncanny precision. Japanese naval intelligence slowly realized that radio communications were compromised, allowing U.S. submarine intelligence to anticipate shipping routes and attack schedules. By 1944, senior Japanese admirals openly acknowledged that American intelligence often knew convoy movements in advance. This failure in secure naval communications became one of the most damaging intelligence breakdowns of the Pacific War. U.S. Navy codebreaking, combined with aggressive submarine warfare, devastated Japanese supply lines and accelerated defeat.