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
Arizona during World War II Johnston, a World War I veteran who had lived in the Navajo reservation of Arizona and was fluent in the Navajo language. Johnston and the "original twenty-nine," as they were known, are credited with developing the original code, however, it was modified and improved by others as the war progressed. At least 540 Navajos served in the Marine Corps during World War II, about 400 of whom were trained as code talkers. Because many of them lacked birth certificates, it was impossible to verify the age of some recruits. After the war it was revealed that boys as young as