On Pearl Harbor did the US ever undo the code?
Yes, the code was already broken right before the attack on
Pearl Harbor even started. President Roosevelt already knew about
the Japanese was going to attack Pearl Harbor, but he didn't know
for sure if it was true. Yes, the code was already broken right
before the attack on Pearl Harbor even started. President Roosevelt
already knew about the Japanese was going to attack Pearl Harbor,
but he didn't know for sure if it was true.