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German Navy gets machine
Arthur Scherbius offered Enigma Machine to the German Navy. -
Navy starts using Enigma
The Enigma machine began to be used by the german Navy which started to develope keys for their codes. -
German signal detected
Enciphered radio signals were detected by the Poles. Although they attempted to crack these codes, they were unsuccessful. -
Enigma Modified
The Germans modified the version of their Enigma Machine to include a plugboard and introduced them to the german army. -
Polish hire cryptologists
The Polish Cipher Bureau hired Jeny Wzycki, Henryk Zygalski, and Marian Rejewski to work on cracking the German Enigma codes. -
Air Force employs technology
A radio comunication network began to be used in the Air Force to help with the war effort. -
Difficulty Increased
The number of possible pairs of letters going through the Enigma machine was increased. -
Move to Bletchley
The British moved all sections of intelligence to Bletchley Park. -
New version introduced
A new version of the Enigma machine that had 4 rotors instead of 3 was now used exclusivly for the U- baots. This caused more dificulty for the Ally codebreakers. -
German Method switched
The Germans changed the method of sending signals through the machine which caused problems in Bletchley.
