((2))Vocaroo 08 Apr 2024 17_11_01 GMT+0800 1oM0H21HRyfo

The U.S. Army and Navy were decoding Japanese codes through a program called MAGIC. They received war warning memos from Navy Headquarters, indicating that a war was imminent. On the day of the attack, a U.S. Destroyer reported sinking a Japanese submarine outside of Pearl Harbor. The U.S. Army and Navy were reading many Japanese codes under a top-secret program called MAGIC. U.S. Navy Headquarters had recently sent Kimo war warning memos. On November 27, Kimo received a message that included, this dispatch is to be considered a war warning. On December 3, the Navy sent Kimo a note that Japan had ordered consulates to destroy codes and all but one code machine, a strong hint that a war was imminent. On the morning of the attack at 6.30 a.m., U.S. Destroyer Ward reported that they had just sunk a submarine outside of Pearl Harbor.