Suddenly, planes bearing the red sun swept in, and the bombing began. Separating myth from reality about who knew what before the Pearl Harbor attack.Ī sighting of unidentified planes by radar station operators minutes before the attack was discounted by an officer at the command center headquarters, squandering time that could have been used to prepare defenses.How Japan's plan for a decisive naval battle with the United States fell into the hands of the Navy.President Roosevelt's 'Day of Infamy' speech asking for a declaration of war against Japan.