Battle of the Atlantic:
Technical Intelligence From Allied Communications Intelligence
SRH-025national security agency
central security service
Table of Contents
- German Search Receivers and Radar
- Anti-detection Devices
- Schnorchel
- Armament (Torpedoes and Anti-aircraft guns)
- German-Japanese Exchange of Information
- Fuel
- U-Boat Navigation
- U-Boat Communications and U.S. Navy Communications Intelligence