The Japanese are working on peace with the U.S. They will deliver two proposals to President Roosevelt hoping to avoid war but American code breakers have already intercepted their proposals.

The famed code, “Climb Mount Niitaka 1208,” is believed to have been transmitted from the command of the Navy’s Combined Fleet to the task force sailing in the northern Pacific toward Hawaii ...

“Climb Mount Niitaka 1208,” the famed code used to initiate Japan’s attack on Pearl Harbor in 1941, is believed to have been transmitted through this station, which is commonly called the ...