Battle of the Atlantic: Technical Intelligence From Allied Communications Intelligence
		SRH-025
national security agency central security service

Table of Contents

1. German Search Receivers and Radar

2. Anti-detection Devices

3. Schnorchel

4. Armament (Torpedoes and Anti-aircraft guns)

5. German-Japanese Exchange of Information

6. Fuel

7. U-Boat Navigation

8. U-Boat Communications and U.S. Navy Communications Intelligence