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
The Kingdom of the Netherlands During World War II it were televised in a documentary television series from the 1960s, "De Bezetting" ("The Occupation"), directed by Milo Anstadt. It established de Jong as a figure of national importance and a media personality. He was later chastised for being overly concerned with his own image and reputation, a critique extended to his historical work—for instance, his cursory investigation in 1965 of the activities during World War II of Claus von Amsberg, then fiancé of crown princess Beatrix, was deemed insufficient and too positive (as opposed to his investigation in 1977 of politician Wim Aantjes, in which he too easily reached