Ultra Versus U-Boats

The narrative centers on the critical role of code-breaking in the Battle of the Atlantic, particularly through the decryption of German Enigma signals. Utilizing previously unpublished U-boat signals and wartime photographs, the author unveils the individual stories of U-boats and their crews, highlighting their struggles against Allied forces. This account sheds light on the often-overlooked aspect of intelligence warfare and illustrates the desperate circumstances faced by U-boatmen as they contended with evolving Allied strategies.