U.S. Army Signals Intelligence in World War II: A Documentary History

xii, 237 pp. Foreword by Brigadier General Harold W. Nelson and Major General Charles F. Scanlon. An account of United States Army Signals Intelligence and their role in World War II, including an overview of the organization; an account of the road to Pearl Harbor which discusses cryptanalysis during World War I; War Department Intelligence and the creation of M.I.S.; recruit training; cracking the codes; producing intelligence; disseminating the product (discusses the Marshall Letter to Eisenhower and Project ULTRA; COMINT politics; and the evolution of the organization's tools. Chronology, glossary, and dictionary of people, places, and terms follows text. Includes two sections of black-and-white photographs.