Download or read book Hitler's Japanese Confidant written by Carl Boyd and published by . This book was released on 1993 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1940, the US Army Signal Intelligence Service broke the Japanese diplomatic code. In 1975 Oshima Hiroshi, Japan's ambassador to Berlin during World War II, died, never knowing that the hundreds of messages he transmitted to Tokyo had been fully decoded by the Americans and whisked off to Washington, providing a major source of information for the Allies on Nazi activities.