Book of the Week
Allied Warships
Check out our new extensive section on all the Allied Warships during WWII in all theatres of the war.Over 11.300 ships
Enigma
Enigma was the mainstream German cipher machine before and during WWII. In these pages we'll attempt to at least partly explain this complicated matter at times. We'll not go into the most complex elements of the machine and its breaking.
Photo of a relatively rare version of Enigma with a printer attached (big box on top).
Allied Breaking of Naval Enigma
Explaining how and when the allies broke the formidable M3 and M4 cipher systems.Naval Enigma Ciphers
Shows which cipher was used by which U-boat branch during the war.Enigma related pages
There are many Enigma pages on the web. Here are some of them.