Cryptanalysis of the Enigma Bletchley Park to describe the network that used the same Enigma setting sheets. Initially these were recorded using coloured pencils and were given the names "red", "light blue" etc., and later the names of birds such as "kestrel". During World War II the settings for most networks lasted for 24 hours, although towards the end of the war, some were changed more frequently. The sheets had columns specifying, for each day of the month, the rotors to be used and their positions, the ring positions and the plugboard connections. For security, the dates were in reverse chronological order down the
It Was the War of the Trenches It Was the War of the Trenches It Was the War of the Trenches (original title: "C'était la guerre des tranchées") is a 1993 graphic novel by Jacques Tardi about World War I. It is acclaimed as one of his best works and received praise from Art Spiegelman and Joe Sacco. Paul Gravett listed it in his "1001 Comics You Must Read Before You Die". "C'était la guerre des tranchées" was pre-published in "A Suivre". The novel is a series of anecdotal stories set in the trenches of World War One. Many are based on stories Tardi remembered from his