They have eavesdropped on the enemy for decades, tracking messages from Hitler's high command and the Soviet KGB and on to the modern world of satellites and cyberspace. But a lowly carrier pigeon ...
A second World War code found strapped to the leg of a dead pigeon stuck in a chimney for the last 70 years may never be broken… A second World War code found strapped to the leg of a dead pigeon ...
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