B-Dienst
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The B-Dienst (Beobachtungsdienst) was a German Naval codebreaking organisation. During World War II, B-Dienst solved British Naval Cypher No. 3, providing intelligence for the Battle of the Atlantic, until the British Admiralty introduced Naval Cypher No. 5 on 10 June 1943. B-Dienst also solved a number of merchant codes.
[edit] See also
[edit] References
- Merchant Navy wireless signal codes
- Jak P. Mallmann-Showell, "German Naval Codebreakers", Annapolis, MD: Naval Institute Press, 2003.
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