1994-06-03 - Ultra and Coventy

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From: smb@research.att.com
To: cypherpunks@toad.com
Message Hash: 9a2dd3c5d370c41cf37f6c3fd6f42c7f5848b36914e7a2787d9e0dff5640bd7d
Message ID: <9406031721.AA10925@toad.com>
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UTC Datetime: 1994-06-03 17:22:03 UTC
Raw Date: Fri, 3 Jun 94 10:22:03 PDT

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From: smb@research.att.com
Date: Fri, 3 Jun 94 10:22:03 PDT
To: cypherpunks@toad.com
Subject: Ultra and Coventy
Message-ID: <9406031721.AA10925@toad.com>
MIME-Version: 1.0
Content-Type: text/plain


Perry wrote that the British let Coventry be destroyed lest Ultra
be revealed.  Kahn doesn't believe that.  From ``Kahn on Codes'', p. 110:

	Nor, to debunk another story, did Churchill let Coventry
	be destroyed because he believed that defensive measures
	would risk the secret of ULTRA.  Critical analyses of
	documents show that this is pure myth.

The footnote cites F.H. Hinsley with E.E. Thomas, C.F.G Ransom, and
R.C. Knight, ``British Intelligence in the Second World War:  Its
Influence on Strategy and Operations'' (London, 1979- ), I:528-48;
N.E. Evans, ``Air Intelligence and the Coventry Raid'', Royal United
Services Institution Journal (September 1976), 66-73.  I don't have
access to either of those publications, so I can't assess that further.





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