Battle of the Atlantic:
Allied Communication Intelligence
December 1942 - May 1945
national security agency
central security service

Table of Contents

  1. Brief Review of War in the Atlantic up to the Reading of U-boat Traffic in December 1942

  2. The U-boat and Allied Naval Communication Intelligence

  3. Winter/Spring U-boat Offensive and the U-boat's Defeat, 1943

  4. U-boat Restoratives

  5. The New U-boat Fleet and the Schnorchel

  6. Compromise of Allied Codes and Ciphers by German Naval Communications Intelligence

Transcribed and formatted by Chuck Roberts for the HyperWar Foundation