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Double-Edged Secrets

Double-Edged Secrets
Author: W.J. Holmes
Publisher: Naval Institute Press
Total Pages: 256
Release: 2013-01-15
Genre: History
ISBN: 1612512550

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In the foreword to this book, first published in 1978, Sen. Daniel Inouye describes the story as ""the raw material of adventure fiction--but this is all true and told in a manner that is at the same time fascinating and professional."" Despite the passage of twenty years and the appearance of several studies of code breaking, this inside look at naval intelligence in the Pacific is as powerful as ever. This book provides a compassionate and unique understanding of the war and the business of intelligence gathering. Assigned to the combat intelligence unit in Honolulu from June 1941 to the end of the war, W. J. Holmes shares his history-making experiences as part of an organization that collected, analyzed, and disseminated naval intelligence throughout World War II. His book not only captures the mood of the period but gives rare insight into the problems and personalities involved, allowing the reader to fully appreciate the painful moral dilemma faced daily by commanders in the Pacific once the Japanese naval codes were broken. Every time the Americans made use of the enemy messages they had decoded, they increased the probability of the Japanese realizing what had happened and changing their codes. And such a change would cause the U.S. Pacific Fleet to lose a vital edge. On the other hand, withholding the information could--and sometimes did--result in the loss of U.S. lives and ships. This revealing study illuminates the difficulties in both collecting intelligence and deciding when to use it.


Combined Fleet Decoded

Combined Fleet Decoded
Author: John Prados
Publisher: US Naval Institute Press
Total Pages: 0
Release: 2001
Genre: World War, 1939-1945
ISBN: 9781557504319

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The most authoritative and revealing examination yet of the way intelligence--of all kinds--was instrumental in defeating Japan. Prados gives a new picture of the war in the Pacific, one which will challenge many previous conceptions about that conflict, and one which will be irresistible to those readers who find histories of that period fascinating. 16 pages of photos.


The Elusive Enemy

The Elusive Enemy
Author: Douglas Ford
Publisher: Naval Institute Press
Total Pages: 322
Release: 2011-10-15
Genre: History
ISBN: 1612510655

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The Elusive Enemy explores the evolution of U.S. intelligence concerning the combat capabilities of the Imperial Japanese Navy and its air arm during the interwar period and the Pacific War. Ford contends that the US Navy could not accurately determine the fighting efficiency of Japan’s forces until it engaged them in actual battle conditions over an extended period. As the conflict progressed, the Americans were able to rely on a growing array of intelligence material, including POWs, captured documents, and specimens of captured enemy weapons. These sources often revealed valuable information on the characteristics of Japanese equipment, as well as some of the ideas and doctrines which governed how they carried out their operations. First-hand observations of the Japanese navy’s performance in battle were the most frequently used source of intelligence which enabled the US Navy to develop a more informed assessment of its opponent. Ship crews, along with US aviators, were tasked to collect information by making a thorough observation of how the Japanese fought. Action reports described how the Imperial fleet demonstrated a number of weaknesses, the most important of which was a shortage of modern equipment and, after 1942, diminished air power. Yet, he demonstrates how the Japanese remained a resilient enemy who could be defeated only when the Americans deployed sufficient equipment and used it in an appropriate manner. The Office of Naval Intelligence, as well as the intelligence services operating in the Pacific theater, thus had to assess a wide array of conflicting characteristics, and provide a balanced evaluation concerning the strengths and weaknesses of the Imperial navy. At the same time, a large part of the intelligence analysis was undertaken by commanders in the Pacific Fleet. Naval personnel and aircrews assessed the information gained through encounters with the enemy so that they could develop a set of methods whereby US forces were able defeat the Japanese without incurring excessive casualties and losses. The intelligence services, in turn, played an important role in disseminating the information on the most efficient tactics and weapons that could be used to defeat the Imperial Fleet. The Elusive Enemy aims to explain how American perceptions concerning the Japanese navy evolved during the conflict, with a particular focus on the role of intelligence. It also seeks to introduce a new perspective on the question as to why the U.S. Navy carried out its campaigns during the Pacific War in the manner that it did.


The Imperial Japanese Navy in the Pacific War

The Imperial Japanese Navy in the Pacific War
Author: Mark Stille
Publisher: Bloomsbury Publishing
Total Pages: 457
Release: 2014-11-20
Genre: History
ISBN: 1472809254

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An highly illustrated examination of the key ships, tactics and operations of the Imperial Japanese Navy in the War in the Pacific in World War II. The Imperial Japanese Navy (IJN) was the third most powerful navy in the world at the start of World War II, and came to dominate the Pacific in the early months of the war. This was a remarkable turnaround for a navy that only began to modernize in 1868, although defeats inflicted on the Russians and Chinese in successive wars at the turn of the century gave a sense of the threat the IJN was to pose. Bringing together for the first time material previously published in Osprey series books, and with the addition of new writing making use of the most recent research, this book details the Japanese ships which fought in the Pacific and examines the principles on which they were designed, how they were armed, when and where they were deployed and how effective they were in battle. The Imperial Japanese Navy in the Pacific War provides a history of the IJN's deployment and engagements, analysis of the evolution of strategy and tactics, and finally addresses the question of whether it truly was a modern navy, fully prepared for the rigors of combat in the Pacific. Illustrated throughout with photographs and detailed colour artworks, this is a valuable reference source for Pacific War enthusiasts and historians alike.


Combined Fleet Decoded

Combined Fleet Decoded
Author: John Prados
Publisher:
Total Pages: 888
Release: 1995
Genre: History
ISBN:

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The most authoritative and revealing examination yet of the way intelligence--of all kinds--was instrumental in defeating Japan. Prados gives a new picture of the war in the Pacific, one which will challenge many previous conceptions about that conflict, and one which will be irresistible to those readers who find histories of that period fascinating. 16 pages of photos.


Military Intelligence

Military Intelligence
Author:
Publisher:
Total Pages: 222
Release: 1941
Genre: Warships
ISBN:

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The Japanese Navy in World War II

The Japanese Navy in World War II
Author: David C. Evans
Publisher: Naval Institute Press
Total Pages: 419
Release: 2017-02-15
Genre: History
ISBN: 1682472140

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First published in 1986 and lauded by historians and World War II buffs eager for the Japanese viewpoint, this collection of essays makes significant contributions to the field of World War II literature. In it, top-ranking Japanese officers offer their personal perspectives of the Pacific War. This second edition adds five articles to the original twelve to present a full picture of the Japanese navy’s role in the war. Most of these moving accounts were written in the 1950s and retain the immediacy felt by the writers when they participated in the events. They provide valuable information on the strategy, tactics, and operations of the Japanese fleet, as well as insights into the personalities and motives of its leaders. Here, Vice Admiral Shigeru Fukudome comes to grips with allegations that the assault on Pearl Harbor represented strategic folly, political blundering, and tactical stupidity. Captain Mitsuo Fuchida describes how his bombing group unleashed “devils of doom” on Battleship Row, and Mitsuru Yoshida gives an eye-witness account of the sinking of the famous battleship Yamato. The new contributions to the volume discuss operations in the Indian Ocean, the battle of the Philippine Sea, the protection of merchant shipping, submarine warfare, and Japan’s overall naval strategy.


Japanese Intelligence in World War II

Japanese Intelligence in World War II
Author: Ken Kotani
Publisher: Osprey Publishing
Total Pages: 0
Release: 2009-09-22
Genre: History
ISBN: 9781846034251

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In the eyes of history, Japanese intelligence in World War II has fared very poorly. However, these historians have most often concentrated on the later years of the war, when Japan was fighting a multi-front war against numerous opponents. In this groundbreaking new study, Japanese scholar Ken Kotani re-examines the Japanese Intelligence department, beginning with the early phase of the war. He points out that without the intelligence gathered by the Japanese Army and Navy they would have been unable to achieve their long string of victories against the forces of Russia, China, and Great Britain. Notable in these early campaigns were the successful strikes against both Singapore and Pearl Harbor. Yet as these victories expanded the sphere of Japanese control, they also made it harder for the intelligence services to gather accurate information about their growing list of adversaries. At the battle of Midway in 1942, Japanese intelligence suffered its worst mishap when the Americans broke their code and tricked the Japanese into revealing the target of their attack. It was a mistake from which they would never recover. As the military might of Japan was forced to retreat and her forces deteriorated, so too did her intelligence services.