Yardley
PersonRelationship Network
Event Timeline
| Date | Event Type | Description | Location | Actions |
|---|---|---|---|---|
| 1929-01-01 | N/A | Closing of the Black Chamber. | United States | View |
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This document is page 198 from the book 'How America Lost Its Secrets' (ISBN 9780451494566). It details the history of U.S. cryptology and espionage, specifically focusing on the 'Black Chamber' led by Herbert O. Yardley after WWI and its eventual closure by Secretary of State Henry Stimson in 1929. While the content is historical, the document bears a 'HOUSE_OVERSIGHT' Bates stamp, indicating it was included as part of a document production to Congress, likely related to the Epstein investigation given the file context.
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This document appears to be a historical overview of United States signals intelligence, tracing its origins from the 'Black Chamber' and Western Union cooperation in the 1920s through World War II codebreaking (Enigma and Purple ciphers) to the formation of the NSA in 1952. It details the NSA's mandate to protect US communications and intercept foreign signals, noting its expansion during the Cold War with a 'black budget' and advanced technology. While part of a larger House Oversight production (likely related to intelligence abuses or history), this specific page contains no direct references to Jeffrey Epstein.
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