4.8. What the British and Dutch Radio Monitors Heard

The Americans had not been alone in scouring the airwaves listening for the Winds Execute message. It was known that the British and Dutch stations in Southeast Asia also had been listening for the Winds code phrases. Did they hear anything? The best evidence provided by the Dutch and the British indicated that neither had heard any transmission of the Winds Execute message prior to the attack on Pearl Harbor. However, two cases appeared that merited further investigation. One incident suggested there was some slight evidence that the British site in Hong Kong may have heard a Winds message at some point on 7 December. In another case, the Clausen investigation mistakenly concluded that such ...

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