Books by Holmes, W. J.

Holmes, W. J. Double-Edged Secrets. Annapolis: U.S. Naval Institute, [1979] 1998. ISBN 1-55750-324-9.
This is the story of U.S. Naval Intelligence in the Pacific theatre during World War II, told by somebody who was there—Holmes served in the inner sanctum of Naval Intelligence at Pearl Harbor from before the Japanese attack in 1941 through the end of the war in 1945. Most accounts of naval intelligence in the war with Japan focus on cryptanalysis and use of the “Ultra” information it yielded from Japanese radio intercepts. Holmes regularly worked with this material, and with the dedicated and sometimes eccentric individuals who produced it, but his focus is broader—on intelligence as a whole, of which cryptanalysis was only a part. The “product” delivered by his shop to warfighters in the fleet was painstakingly gleaned not only from communications intercepts, but also traffic analysis, direction finding, interpretation of aerial and submarine reconnaissance photos, interrogation of prisoners, translations of captured documents, and a multitude of other sources. In preparing for the invasion of Okinawa, naval intelligence tracked down an eighty-year-old seashell expert who provided information on landing beaches from his pre-war collecting expedition there. The total material delivered by intelligence for the Okinawa operation amounted to 127 tons of paper. This book provides an excellent feel for the fog of war, and how difficult it is to discern enemy intentions from the limited and conflicting information at hand. In addition, the difficult judgement calls which must be made between the risk of disclosing sources of information versus getting useful information into the hands of combat forces on a timely basis is a theme throughout the narrative. If you're looking for more of a focus on cryptanalysis and a discussion of the little-known British contribution to codebreaking in the Pacific war, see Michael Smith's The Emperor's Codes (August 2001).

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