gptkbp:instance_of
|
gptkb:crypt
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gptkbp:associated_with
|
gptkb:U._S._military
|
gptkbp:collaborated_with
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gptkb:U._S._government
|
gptkbp:collaboration
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other intelligence agencies
|
gptkbp:contributed_to
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gptkb:intelligence_gathering
|
gptkbp:country
|
gptkb:United_States
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gptkbp:dissolved
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gptkb:1929
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gptkbp:focus
|
intercepted communications
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gptkbp:founded_by
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Herbert O. Yardley
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gptkbp:funding
|
U. S. government funding
|
gptkbp:has_a_focus_on
|
gptkb:military_intelligence
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gptkbp:headquarters
|
gptkb:New_York_City
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gptkbp:historical_context
|
post-World War I era
|
gptkbp:historical_documentation
|
government reports
intelligence archives
Yardley's memoirs
|
gptkbp:historical_impact
|
shaped U. S. intelligence policy
|
gptkbp:historical_role
|
pioneering cryptanalysis
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gptkbp:historical_significance
|
first peacetime cryptanalytic organization in the U. S.
first organized effort in U. S. to break foreign codes.
|
https://www.w3.org/2000/01/rdf-schema#label
|
The Black Chamber
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gptkbp:impact
|
gptkb:national_security
|
gptkbp:influenced
|
future intelligence operations
|
gptkbp:influenced_by
|
gptkb:World_War_I
|
gptkbp:involved_in
|
gptkb:national_defense
|
gptkbp:key_figures
|
gptkb:William_F._Friedman
gptkb:Elizebeth_Friedman
Herbert O. Yardley
|
gptkbp:legacy
|
influenced modern cryptography
|
gptkbp:location
|
gptkb:Washington,_D._C.
|
gptkbp:methods_developed
|
codebreaking techniques
|
gptkbp:notable_achievements
|
deciphering diplomatic communications
|
gptkbp:notable_event
|
decoding of the Zimmermann Telegram
|
gptkbp:notable_members
|
gptkb:William_F._Friedman
gptkb:Elizebeth_Friedman
|
gptkbp:notable_project
|
decoding Japanese messages
|
gptkbp:notable_wins
|
improved military communications security
|
gptkbp:operates_under
|
gptkb:United_States_Army
|
gptkbp:operational_challenges
|
political pressures
limited resources
|
gptkbp:operational_period
|
1919-1929
|
gptkbp:operational_use
|
signal intelligence
|
gptkbp:public_perception
|
gptkb:security_services
controversial practices
|
gptkbp:purpose
|
gptkb:sports_club
|
gptkbp:related_to
|
gptkb:crypt
|
gptkbp:successor
|
gptkb:Signal_Intelligence_Service
|
gptkbp:technique
|
gptkb:crypt
|
gptkbp:type_of_work
|
gptkb:intelligence_gathering
|
gptkbp:year_established
|
1919
|
gptkbp:bfsParent
|
gptkb:The_Enigma
|
gptkbp:bfsLayer
|
4
|