S. to the east, Russia to the north, England to the west. Tokyo also set up an almost similar code for use in the general intelligence (not news) broadcasts. As the secret messages establishing these open codes whistled through the air, Navy intercept Station S at Bainbridge Island heard and nabbed them. The station teletyped them to GY, which identified them as J19 and began cryptanalysis. Many of the ships of the Pearl Harbor strike force had by then gathered in bleak Tankan Bay, where the only signs of human presence were a small concrete pier, a wireless shack, and three fishermen's huts. Snow covered the surrounding hills. In the gray twilight of November 21, the great carrier Zuikaku glided into the remote harbor to complete the roster. The force swung at anchor, awaiting the order to sortie. A few hours later, on November 20 (Washington time), the Japanese ambassador to the United States, Admiral Kichisaburo Nomura, and his
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