Cryptanalysis of the Enigma bombes were, however, very fast and the most successful. They were extensively used by Bletchley Park over teleprinter links (using the Combined Cipher Machine) to OP-20-G for both 3-rotor and 4-rotor jobs. Although the German army, SS, police, and railway all used Enigma with similar procedures, it was the "Luftwaffe" (Air Force) that was the first and most fruitful source of Ultra intelligence during the war. The messages were decrypted in Hut 6 at Bletchley Park and turned into intelligence reports in Hut 3. The network code-named ‘Red’ at Bletchley Park was broken regularly and quickly from 22 May 1940
Cracking The Code Guitarist Mick Taylor and jazz trombonist Chris Barber also appear on the album and have been long-term collaborators with Petit since their involvement in his successful campaign to "Save The 100 Club" in December 2010. Their contributions were recorded at Petit’s home studio in late 2012. Mick Taylor spoke of "Cracking The Code" to "Guitar & Bass Magazine": "I went to see Bill Wyman’s Rhythm Kings and when I went to meet Bill backstage there were a few guitar fanatics there. A few of them said "we really enjoyed your playing on the Stephen Dale Petit album" it was nice