Download or read book Cryptologic Aspects of German Intelligence Activities in South America During World War II written by David Mowry and published by CreateSpace. This book was released on 2012-08-06 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first of a two-part history of German clandestine activities in South America in World War II. In this first volume, the author, Mr. David Mowry, identifies and presents a thorough account of German intelligence organizations engaged in clandestine work in South America, and a well-researched, detail report of the U.S. response to the perceived threat. This perception was, as Mr. Mowry alludes to in his conclusions, far greater than any actual danger. Mr. Mowry's conclusions, in general, are somewhat understated. It seems fairly clear from the evidence that the Germans never expected a great deal from their agents in South America or even in the United States in World War II. The lack of German espionage activity in these areas in WWII stands in stark contrast to the bombings and other activities which occurred during WWI. Perhaps these WWI experiences influenced U.S. policy makers to the extent that they overestimated the danger in WWI. In fact, it might be suggested that South America and the United States were not the major threats of German clandestine activity in WWII, but that Europe, England, North Africa, and the Middle East offered far more potential for beneficial results. An examination of clandestine activities in these areas might produce different conclusions. One might also comment on the extraordinary activity that took place between and among U.S. intelligence organizations in the fact of so small and unsuccessful a German effort. In addition to concluding that it had little effect on the outcome of the war, one might also have noted the similarities characterizing the nature of the relationships. Specifically, this includes the relationships in the broader COMINT field during and after the war.

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 . This book was released on 2011 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication joins two cryptologic history monographs that were published separately in 1989. Part I (German clandestine activites), 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 (The cryptology of the German intelligence services) deals with the cryptographic systems used by the varioius German intelligence organizations engaged in clandestine activities.

Download or read book NSA Secrets Declassified written by National Security Agency (NSA) and published by . This book was released on 2017-04-15 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: This important NSA publication provides a historical guide to German clandestine activities in South America in World War II. It identifies and presents a thorough account of German intelligence organizations engaged in clandestine work in South America, and a well-researched, detailed report of the U.S. response to the perceived threat. PART I * GERMAN CLANDESTINE ACTIVITIES * Table of Contents * Foreword * Chapter 1: The German Intelligence Services * Perspective * The Abwehr * The Reich Security Administration * Chapter 2: Axis Agent Operations in Latin America * SARGO * The Brazilian Nets * Regrouping * The Chilean Nets * Operation JOLLE * MERCATOR I and MERCATORII * The Planning for Operation JOLLE * The End of Operation JOLLE * The Benefits Derived * Chapter 3: Allied Organizations Concerned with the Intelligence Problem * U.S. Navy (1917-1941) * The U.S. Coast Guard (1931-1941) * The Federal Communications Commission (1911-1941) * The British Effort: GC&CS and the RSS (1919-1941) * The Reorganization of the U.S. SIGINT Effort (1939-1942) * Initial Operations * Security Problems * The FBI Connection * The Army Connection * The Radio Intelligence Center * Chapter 4: Counterclandestine DF Operations in Latin America * Introduction * The U.S. Navy in Colombia and Ecuador (1940-1941) * Other Latin American Nations before the War * Establishment of the AIS Clandestine Radio Locator Net * Creation of the Concept: December 1941-January 1943 * Implementation of the Concept * January 1943 to the War's End * Cuba - Graft and Corruption * Chile - Nazis and Mountains * Argentina - More Nazis * Ecuador - Manana Land * Colombia - Everything in Place * Brazil - Full Cooperation * The AIS Takes Over * Disposition of the AIS Net * Conclusion * Glossary It seems fairly clear from the evidence that the Germans never expected a great deal from their agents in South America or even in the United States in World War II. The lack of German espionage activity in these areas in WWII stands in stark contrast to the bombings and other activities which occurred during WWI. Perhaps these WWI experiences influenced U.S. policy makers to the extent that they overestimated the danger in WWII. In fact, it might be suggested that South America and the United States were not the major threats of German clandestine activity in WW II, but that Europe, England, North Africa, and the Middle East offered far more potential for beneficial results. An examination of clandestine activities in these areas might produce different conclusions. One might also comment on the extraordinary activity that took place between and among U.S. intelligence organizations in the face of so small and unsuccessful a German effort. In addition to concluding that it had little effect on the outcome of the war, one might also have noted the similarities characterizing the nature of the relationships. Specifically, this includes the relationships in the broader COMINT field during and after the war. The fall of the Batista government in Cuba in 1959 and the subsequent rise of Castro's Cuba as a Soviet ally in the Western Hemisphere marked the beginning of Russian success in obtaining a foothold in an area that had been the exclusive sphere of influence of the United States. The concept of carving out a piece of the Western Hemisphere did not originate with the Soviet Union. Since 1823, the year the Monroe Doctrine was enunciated, most of the major European powers tried at one time or another to subvert it. Germany tried twice. The first time, in 1917, Germany planned to attack the United States through Mexico. This plan was foiled by Britain when it provided the United States with a decrypted copy of the famous Zimmermann Telegram. Germany's second attempt was more complex, but in the end, just as unsuccessful.

Download or read book Eavesdropping on Hell written by Robert J. Hanyok and published by Courier Corporation. This book was released on 2005-01-01 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: This official government publication investigates the impact of the Holocaust on the Western powers' intelligence-gathering community. It explains the archival organization of wartime records accumulated by the U.S. Army's Signal Intelligence Service and Britain's Government Code and Cypher School. It also summarizes Holocaust-related information intercepted during the war years.

Download or read book The Shadow War written by Leslie B. Rout and published by . This book was released on 1986 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: Et omfattende studie af tysk efterretningstjeneste og spionage i Latinamerika i 1930erne og 40erne samt USAs kontraspionage.

Download or read book A Life in Code written by G. Stuart Smith and published by McFarland. This book was released on 2017-05-12 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: Protesters called it an act of war when the U.S. Coast Guard sank a Canadian-flagged vessel in the Gulf of Mexico in 1929. It took a cool-headed codebreaker solving a "trunk-full" of smugglers' encrypted messages to get Uncle Sam out of the mess: Elizebeth Smith Friedman's groundbreaking work helped prove the boat was owned by American gangsters. This book traces the career of a legendary U.S. law enforcement agent, from her work for the Allies during World War I through Prohibition, when she faced danger from mobsters while testifying in high profile trials. Friedman founded the cryptanalysis unit that provided evidence against American rum runners and Chinese drug smugglers. During World War II, her decryptions brought a Japanese spy to justice and her Coast Guard unit solved the Enigma ciphers of German spies. Friedman's "all source intelligence" model is still used by law enforcement and counterterrorism agencies against 21st century threats.

Download or read book War Secrets in the Ether written by Wilhelm F. Flicke and published by . This book was released on 1994 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The story of German 'code-breaking' successes and radio-espionage during and between the world wars"--Cover.

Download or read book History of Cryptography and Cryptanalysis written by John F. Dooley and published by Springer. This book was released on 2018-08-23 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: This accessible textbook presents a fascinating review of cryptography and cryptanalysis across history. The text relates the earliest use of the monoalphabetic cipher in the ancient world, the development of the “unbreakable” Vigenère cipher, and an account of how cryptology entered the arsenal of military intelligence during the American Revolutionary War. Moving on to the American Civil War, the book explains how the Union solved the Vigenère ciphers used by the Confederates, before investigating the development of cipher machines throughout World War I and II. This is then followed by an exploration of cryptology in the computer age, from public-key cryptography and web security, to criminal cyber-attacks and cyber-warfare. Looking to the future, the role of cryptography in the Internet of Things is also discussed, along with the potential impact of quantum computing. Topics and features: presents a history of cryptology from ancient Rome to the present day, with a focus on cryptology in the 20th and 21st centuries; reviews the different types of cryptographic algorithms used to create secret messages, and the various methods for breaking such secret messages; provides engaging examples throughout the book illustrating the use of cryptographic algorithms in different historical periods; describes the notable contributions to cryptology of Herbert Yardley, William and Elizebeth Smith Friedman, Lester Hill, Agnes Meyer Driscoll, and Claude Shannon; concludes with a review of tantalizing unsolved mysteries in cryptology, such as the Voynich Manuscript, the Beale Ciphers, and the Kryptos sculpture. This engaging work is ideal as both a primary text for courses on the history of cryptology, and as a supplementary text for advanced undergraduate courses on computer security. No prior background in mathematics is assumed, beyond what would be encountered in an introductory course on discrete mathematics.

Download or read book Code Girls written by Liza Mundy and published by Hachette Books. This book was released on 2017-10-10 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt: The award-winning New York Times bestseller about the American women who secretly served as codebreakers during World War II--a "prodigiously researched and engrossing" (New York Times) book that "shines a light on a hidden chapter of American history" (Denver Post). Recruited by the U.S. Army and Navy from small towns and elite colleges, more than ten thousand women served as codebreakers during World War II. While their brothers and boyfriends took up arms, these women moved to Washington and learned the meticulous work of code-breaking. Their efforts shortened the war, saved countless lives, and gave them access to careers previously denied to them. A strict vow of secrecy nearly erased their efforts from history; now, through dazzling research and interviews with surviving code girls, bestselling author Liza Mundy brings to life this riveting and vital story of American courage, service, and scientific accomplishment.

Download or read book Pearl Harbor Revisited written by Frederick D. Parker and published by CreateSpace. This book was released on 2012-07-31 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the story of the U.S. Navy's communications intelligence (COMINT) effort between 1924 and 1941. It races the building of a program, under the Director of Naval Communications (OP-20), which extracted both radio and traffic intelligence from foreign military, commercial, and diplomatic communications. It shows the development of a small but remarkable organization (OP-20-G) which, by 1937, could clearly see the military, political, and even the international implications of effective cryptography and successful cryptanalysis at a time when radio communications were passing from infancy to childhood and Navy war planning was restricted to tactical situations. It also illustrates an organization plagues from its inception by shortages in money, manpower, and equipment, total absence of a secure, dedicated communications system, little real support or tasking from higher command authorities, and major imbalances between collection and processing capabilities. It explains how, in 1941, as a result of these problems, compounded by the stresses and exigencies of the time, the effort misplaced its focus from Japanese Navy traffic to Japanese diplomatic messages. Had Navy cryptanalysts been ordered to concentrate on the Japanese naval messages rather than Japanese diplomatic traffic, the United States would have had a much clearer picture of the Japanese military buildup and, with the warning provided by these messages, might have avoided the disaster of Pearl Harbor.

Download or read book American Signal Intelligence in Northwest Africa and Western Europe written by George Howe and published by CreateSpace. This book was released on 2012-08-01 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: The volume at hand, Dr. George F. Howe's American Signals Intelligence in Northwest Africa and Western Europe is important professional reading for those interested in cryptologic history or in World War II. Dr. Howe's book deals primarily with organizational matters for providing SIGINT support in combat. Thus, the reader will not find stories of high-level cryptanalysis underlying big decisions by famous leaders. In my estimation, by concentrating on the less flashy aspects of wartime support in favor of the background work, Dr. Howe has again added a dimension of great worth to our knowledge of SIGINT and of the war. The study of World War II SIGINT has concentrated, by and large, on ULTRA, the exploitation of high-grade cryptographic systems used by Germany and Japan, and the use of ULTRA material by senior wartime decision makers. This effort unquestionably is important for understanding the decisions and events of that terrible era, but the overwhelming focus on this aspect has resulted in a slightly skewed understanding. The production of ULTRA and its effective use depended on a strong and well-organized structure working in conjunction with now-legendary cryptanalysts. Since the distribution of ULTRA was limited to a small number of officers and civilian leaders, the bulk of SIGINT support to the warfighter cam from tactical SIGINT units working at or near the front lines. This is an important subject for understanding what happened in World War II and for studying the principles of SIGINT organization today. United State Cryptologic History, Sources in Cryptologic History, National Security Agency.

Download or read book In Search of Tom Slick written by Catherine Nixon Cooke and published by Texas A&M University Press. This book was released on 2020-04-30 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: The major guiding principle in the life of Tom Slick was a relentless search for adventure and exploration of the unknown, sparked by his immense curiosity about everything and his willingness to embrace and investigate new ideas. He was a larger-than-life Texas oilman, entrepreneur, and explorer. He climbed mountains in the Himalayas in search of the legendary Yeti. He developed new breeds of cattle. He discovered major oil fields. He founded several research institutes in San Antonio, including the Texas Biomedical Research Institute, Southwest Research Institute, and the Mind Science Foundation. He even wrote and published on the topic of world peace in the 1950s; the Tom Slick World Peace Lectures at the University of Texas’ LBJ Library and the endowed Tom Slick Professorship of World Peace were established after his death in 1962. In this revised and expanded edition of her previously published biography, Catherine Nixon Cooke, niece of Tom Slick, has mined personal letters, family papers, archives of the institutes founded by her uncle, and other resources to expand what we know of this enigmatic, energetic adventurer. In addition to relating his better-known exploits and pursuits, Cooke delves for the first time into Slick’s shadowy connections with the world of international espionage, including clues that Slick may have been involved in certain operations and interests of the OSS and its successor organization, the CIA. Illustrated throughout with rare historic photographs, In Search of Tom Slick: Explorer and Visionary will introduce a new readership to this influential yet little known figure in modern history.

Download or read book The Ultra Secret 1974 3 Impr written by and published by . This book was released on 1974 with total page 199 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Piercing the Fog written by John F. Kreis and published by Military Bookshop. This book was released on 2013-05 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt: From the foreword: WHEN JAPAN ATTACKED PEARL HARBOR on December 7, 1941, and Germany and Italy joined Japan four days later in declaring war against the United States, intelligence essential for the Army Air Forces to conduct effective warfare in the European and Pacific theaters did not exist. Piercing the Fog tells the intriguing story of how airmen built intelligence organizations to collect and process information about the enemy and to produce and disseminate intelligence to decisionmakers and warfighters in the bloody, horrific crucible of war. Because the problems confronting and confounding air intelligence officers, planners, and operators fifty years ago still resonate, Piercing the Fog is particularly valuable for intelligence officers, planners, and operators today and for anyone concerned with acquiring and exploiting intelligence for successful air warfare. More than organizational history, this book reveals the indispensable and necessarily secret role intelligence plays in effectively waging war. It examines how World War II was a watershed period for Air Force Intelligence and for the acquisition and use of signals intelligence, photo reconnaissance intelligence, human resources intelligence, and scientific and technical intelligence. Piercing the Fog discusses the development of new sources and methods of intelligence collection; requirements for intelligence at the strategic, operational, and tactical levels of warfare; intelligence to support missions for air superiority, interdiction, strategic bombardment, and air defense; the sharing of intelligence in a coalition and joint service environment; the acquisition of intelligence to assess bomb damage on a target-by-target basis and to measure progress in achieving campaign and war objecti ves; and the ability of military leaders to understand the intentions and capabilities of the enemy and to appreciate the pressures on intelligence officers to sometimes tell commanders what they think the commanders want to hear instead of what the intelligence discloses. The complex problems associated with intelligence to support strategic bombardment in the 1940s will strike some readers as uncannily prescient to global Air Force operations in the 1990s.," Illustrated.

Download or read book Building for the New written by Paul F. McCleary and published by Xlibris Corporation. This book was released on 2022-04-21 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book takes place in the poorest country in South America. In fact, in considering the Western Hemisphere, it ranks next to last, with only Haiti being poorer, yet it is a country rich in national resources. The book covers one of the most tenuous times in Bolivian history. While it is the story of a missionary family, the book provides unusual insight to the rapid change occurring at so many levels in the country. The book points to the 1952 revolution as the starting point of a vastly significant process of social and political transformation that has bought Bolivia to its present status. Bolivia has a history of political change occurring not at the ballot box but most frequently by a military coup. The ’52 revolution was like the jump start to a battery which, in this case, triggered the political awakening of the majority of indigenous communities long held in a semifeudal condition. The book draws out the many external influences which played a role in defining the outcome of the transition. Bolivia’s natural resources were a tempting prize from the early colonial period when gold and silver were the attractions for Spain. During World War II, the metals tin, zinc, and tungsten were important to the United States. More recently, for the time period covered by the book, it was the petroleum and forest products. The external influences were more than economic. The book covered the range from former Nazis to Cuban communists. The thread running through the book is about the life of a missionary family. It is the story of a young couple with three children who left the comfort and security of the US Midwest farming communities to serve Christ as missionaries to Bolivia. However, the book does much more. It reveals how these Americans adjust into what is a semi-hostile environment struggling to cast off its colonial past where 80 percent of the population was kept from participating in society by literacy voting laws. The book draws on sources as diverse as academic studies done as degree work by former missionaries, to declassed information from the State Department files. Events, both local and global, had their impact. Such political currents as those represented by Nazi Klaus Barbie and communist Che Guevara occurred in Bolivia. On the world scene, it ranged from Peron in Argentina to the assassination of President Kennedy in the U.S. While the book is about a missionary family, it so contextualizes them into the social, economic, and political situation in Bolivia, one comes away with a deeper appreciation for and understanding of those who dedicate their lives to the well-being of the world’s poorest and most marginalized.

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.

Download or read book X Troop written by Leah Garrett and published by HarperCollins. This book was released on 2021-05-25 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt: WALL STREET JOURNAL BOOK OF THE MONTH "This is the incredible World War II saga of the German-Jewish commandos who fought in Britain’s most secretive special-forces unit—but whose story has gone untold until now." —Wall Street Journal “Brilliantly researched, utterly gripping history: the first full account of a remarkable group of Jewish refugees—a top-secret band of brothers—who waged war on Hitler.”—Alex Kershaw, New York Times best-selling author of The Longest Winter and The Liberator The incredible World War II saga of the German-Jewish commandos who fought in Britain’s most secretive special-forces unit—but whose story has gone untold until now June 1942. The shadow of the Third Reich has fallen across the European continent. In desperation, Winston Churchill and his chief of staff form an unusual plan: a new commando unit made up of Jewish refugees who have escaped to Britain. The resulting volunteers are a motley group of intellectuals, artists, and athletes, most from Germany and Austria. Many have been interned as enemy aliens, and have lost their families, their homes—their whole worlds. They will stop at nothing to defeat the Nazis. Trained in counterintelligence and advanced combat, this top secret unit becomes known as X Troop. Some simply call them a suicide squad. Drawing on extensive original research, including interviews with the last surviving members, Leah Garrett follows this unique band of brothers from Germany to England and back again, with stops at British internment camps, the beaches of Normandy, the battlefields of Italy and Holland, and the hellscape of Terezin concentration camp—the scene of one of the most dramatic, untold rescues of the war. For the first time, X Troop tells the astonishing story of these secret shock troops and their devastating blows against the Nazis. “Garrett’s detective work is stunning, and her storytelling is masterful. This is an original account of Jewish rescue, resistance, and revenge.”—Wendy Lower, author of The Ravine and National Book Award finalist Hitler’s Furies