OrganizationQ423081· pop 8· linked from 42 articlesBlack ChamberSign in to savepeacetime cryptanalytic organization of the United StatesConnectionsUnited States Department of StateEntitycryptanalysisEntityNew York CityCityWashington, D.C.EntityWorld War IIConceptWorld War IConceptInternational Standard Book NumberEntityGreat DepressionEntityGerman EmpireEntityUnited States CongressEntityAxis PowersEntityEmpire of JapanEntityUnited States NavyEntityUnited States Armed ForcesEntitytelegraphyEntityUnited States ArmyEntityNational Security AgencyEntityUnited States Secretary of StateEntityFederal Government of the United StatesEntityUnited States Department of DefenseConceptCategories1917 establishments in the United StatesCryptography organizationsDefunct United States intelligence agenciesGovernment agencies established in 1917