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
Monument to the Women of World War II called the damage "despicable", and at least 17 people were arrested following clashes in Whitehall. Monument to the Women of World War II The Monument to the Women of World War II is a British national war memorial situated on Whitehall in London, to the north of the Cenotaph. It was sculpted by John W. Mills, unveiled by Queen Elizabeth II and dedicated by Baroness Boothroyd in July 2005. Fundraising was conducted by a charitable trust set up for the purpose of establishing a memorial, with the National Heritage Memorial Fund donating towards the project. Baroness Boothroyd also raised money