Describe the organisation and work of the people at Bletchley Park

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Kirsty Rogers

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Describe the organisation and work of the people at Bletchley Park

During World War II the German armed forces top secret codes were broken at Bletchley Park.  Bletchley Park provided the allies with vital information towards their war effort.  Bletchley Park was a small town Situated 50 miles North-West of London.  Sir Leon, a London stock broker saw this location as an ideal place for an M16 evacuation base and government code and cipher school, which had been set up towards the later stages of the First World War.  During the First World War code breaking had become important for the first time, messages were sent by wireless and Morse code so the government knew that it would have to be prepared with the second world war looming, they wanted to be able decode all enemy signals. After the government had chosen Bletchley Park an appropriate location it was given new roads, telephone lines, living quarters, water mains and everything that a self contained community would need because the key to Bletchley was it was to be secret. In this essay I will be describing the organisation of people at Bletchley Park.

The need for Bletchley Park was clear. The academics were used to cracking codes by using the pencil paper method. They would simply study messages and look for similarities to try to builds up an idea of how the code was constructed.  But by 1939 these methods were out of date, the Germans had been using ‘enigma’, a coding machine that did not use random symbols, the letters bore no relationship whatsoever to the words of the text of the message for example,” SOPJS MIJKK”, two ‘K’s did not mean a double letter and the ‘J’s did not all relate to the same letter. The British government believed that the system was unbreakable, therefore no effort had been put into cracking it, but now that the war seemed inevitable, something just had to be done.  The Germans were sending messages to its navy, army and air force.   These messages that were to be decoded at Bletchley Park were picked up at Y service stations.  At first there were only a few Y stations the most important one was found in Chatham, after 1941 more and more stations were set up. Although the real success of Bletchley Park depended on the operators at these Y stations being able to pick up these messages effectively, especially the beginning of the messages as this was often the clue to cracking it.  As the war progressed, the Y service officers became more and more skilled at finding the correct frequencies at the right times of day.

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Bletchley Park had to be a place of complete secrecy.  It was known as station X and had a secretive location.  Many of the first arrivals at Bletchley Park in 1939 did not have a clue what they were supposed to be doing, “I should think there were more than a hundred people in what we were called the first wave. None of us knew quite what would happen next.  War had not been declared and most people thought and hoped that nothing would happen and we would all go back to London” .Bletchley ark was also, “very, very ...

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