Enigma U-Boats, Revised Edition Breaking the Code

Enigma U-Boats, Revised Edition Breaking the Code

by Jak P. Mallmann Showell
     
 

ISBN-10: 1591142385

ISBN-13: 9781591142386

Pub. Date: 11/01/2009

Publisher: Naval Institute Press

The naval side of the Enigma story and breaking the seemingly impregnable German codes during World War II is the focus of this book. Although cryptanalysts managed to unlock the codes of the German army and the Luftwaffe, they needed U-boat Enigma machines and code books to solve the more complicated naval version. This book analyzes the development of Enigma, its

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Overview

The naval side of the Enigma story and breaking the seemingly impregnable German codes during World War II is the focus of this book. Although cryptanalysts managed to unlock the codes of the German army and the Luftwaffe, they needed U-boat Enigma machines and code books to solve the more complicated naval version. This book analyzes the development of Enigma, its role during U-boat operations, and the subsequent codebreaking work at Bletchley Park. The author examines all U-boats known to have been boarded by the Allies during the war from which Enigma machines could have been captured.

Product Details

ISBN-13:
9781591142386
Publisher:
Naval Institute Press
Publication date:
11/01/2009
Edition description:
Revised
Pages:
224
Product dimensions:
5.26(w) x 7.70(h) x 0.67(d)

Table of Contents

Acknowledgements 5

1 Enigma - The Impenetrable Puzzle 7

2 The German Radio System 20

3 The First Naval Enigma Wheels - The Sinking of U33 27

4 Weather Ships for Bletchley Park 35

5 The Secret Capture 43

6 The Surrender of U570 71

7 Shark - The Four-wheel Enigma Code 86

8 Stranded in Africa 100

9 The Capture of U505 107

10 Other Secret Captures? 118

11 The Sinking and Raising of U250 134

12 Salvaging Secrets 142

13 U1024 - The Last Capture 151

14 Bletchley Park and the British Side 157

Appendix I Grabbing the Enigma: Occasions Where Allied Forces Boarded German Vessels 188

Appendix II Captured V-boats 194

Appendix III Weather Trawlers 206

Appendix IV Types of Convoy Escorts 210

Appendix V The Ireland Letter Code 211

Bibliography 213

Index 222

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