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Book Memo from the Director of Military Operations and Intelligence to the Under Secretary of State for Foreign Affairs with attached note November 20 1929

Download or read book Memo from the Director of Military Operations and Intelligence to the Under Secretary of State for Foreign Affairs with attached note November 20 1929 written by and published by . This book was released on with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Memo from Under Secretary of State for Foreign Affairs to Under Secretary of State for the Colonies re Strikes Among Silver Paid Employees of the Panama Canal November 22 1916

Download or read book Memo from Under Secretary of State for Foreign Affairs to Under Secretary of State for the Colonies re Strikes Among Silver Paid Employees of the Panama Canal November 22 1916 written by and published by . This book was released on with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book The American Black Chamber

Download or read book The American Black Chamber written by Herbert O. Yardley and published by Naval Institute Press. This book was released on 2013-01-15 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the 1920s Herbert O. Yardley was chief of the first peacetime cryptanalytic organization in the United States, the ancestor of today's National Security Agency. Funded by the U.S. Army and the Department of State and working out of New York, his small and highly secret unit succeeded in breaking the diplomatic codes of several nations, including Japan. The decrypts played a critical role in U.S. diplomacy. Despite its extraordinary successes, the Black Chamber, as it came to known, was disbanded in 1929. President Hoover's new Secretary of State Henry L. Stimson refused to continue its funding with the now-famous comment, "Gentlemen do not read other people's mail." In 1931 a disappointed Yardley caused a sensation when he published this book and revealed to the world exactly what his agency had done with the secret and illegal cooperation of nearly the entire American cable industry. These revelations and Yardley's right to publish them set into motion a conflict that continues to this day: the right to freedom of expression versus national security. In addition to offering an exposé on post-World War I cryptology, the book is filled with exciting stories and personalities.

Book Stepping Stones to Nowhere

Download or read book Stepping Stones to Nowhere written by Galen Roger Perras and published by UBC Press. This book was released on 2003 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Aleutian Islands, a mostly forgotten portion of the United States on the southwest coast of Alaska, have often assumed a key role in American military strategy. This work examines the Japanese occupation of the western Aleutians, which climaxed in the horrendous battle for Attu.

Book Cryptologic Aspects of German Intelligence Activities in South America During World War II

Download or read book Cryptologic Aspects of German Intelligence Activities in South America During World War II written by David P. Mowry and published by Military Bookshop. This book was released on 2012-08 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication joins two cryptologic history monographs that were published separately in 1989. In part I, the author identifies and presents a thorough account of German intelligence organizations engaged in clandestine work in South America as well as a detailed report of the U.S. response to the perceived threat. Part II deals with the cryptographic systems used by the varioius German intelligence organizations engaged in clandestine activities.