MacArthur's ULTRA: Codebreaking and the War against Japan, 1942-1945 (Modern War Studies)

Drea, Edward J.

ISBN 10: 0700605762 / ISBN 13: 9780700605767

Published by University Press of Kansas, 1991

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Synopsis:

It took the US army two full years after the attack on Pearl Harbour to break the radio codes of the Japanese Imperial Army. But by 1944, the US was decoding more than 20,000 messages a month filled with information about enemy movements, strategy, fortifications, troop strengths and supply convoys. In MacArthur's ULTRA, historian Edward Drea recounts the story behind the army's painstaking operation and its dramatic breakthrough. He demonstrates how ULTRA (intelligence from decrypted Japanese radio communications) shaped MacArthur's operations in New Guinea and the Philippines. By correlating the existing intelligence with MacArthur's operational decisions, Drea shows how MacArthur used - and misused - intelligence information. He also clarifies the role of ULTRA in Truman's decision to drop atomic bombs on Japan in 1945, and examines the role of ULTRA on the outcome of World War II.

From the Back Cover: In this book, the author assesses the relationship between special intelligence and the campaigns of General Douglas MacArthur in the Pacific. During World War II, special intelligence, commonly referred to as ULTRA today, meant information obtained through monitoring, intercepting, and decoding enemy radio communications.

Bibliographic Details

Title: MacArthur's ULTRA: Codebreaking and the War ...
Publisher: University Press of Kansas
Publication Date: 1991
Binding: Paperback
Condition: Very Good