bn:15848589n
Noun Named Entity
Categories: Broken stream ciphers, Military intelligence, Signals intelligence of World War II
EN
Black
EN
The Black Code was a secret code used by US military attachés in the early period of World War II. Wikipedia
English:
code
Definitions
Sources
EN
The Black Code was a secret code used by US military attachés in the early period of World War II. Wikipedia
A diplomatic cypher system used by the U.S. prior to its entry into the Second World War Wikipedia Disambiguation
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