On Sun. 22 Nov 1942 The British Admiralty Operational Intelligence Cen.....
The British Admiralty Operational Intelligence Centre (OIC) urged the staff of Government Code and Cypher School at Bletchley Park, Milton Keynes, Buckinghamshire, England, United Kingdom to focus on Germany's new four-rotored Enigma machines.
Listing Details
Date
Status coordinate
No status yet
User
Comments