NSA
HISTORY TODAY 14 NOVEMBER 2014
Daily Enterprise - (U) HISTORY TODAY - 14 November 2014 Page 1 of 2Doc ID: 6660629UNCLASSIFIED(U) HISTORY TODAY - 14 November 2014Run Date(s): 11/14/2014(U) Cryptologic Urban Myths: Reading ULTRA messages, British prime ministerWinston Churchill learned in advance about the German air raid on the city of Coventry.However, in order to protect the secret that the British could exploit German encryptedcommunications, Churchill did not order an evacuation of the city or call for addedantiaircraft de...
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