DP Camp Haid of first housing projects, Haid transformed into one of the largest construction sites in Austria. Step by step, the barracks were torn down and rows of apartment blocks were built up. DP Camp Haid The DP camp Haid, officially Wohnsiedlung 121 Haid, was a camp for displaced persons first under the American administration, then the Upper Austrian administration. It was located in the district of Haid, Ansfelden in Upper Austria. Displaced persons were civilians who were affected by the turmoil of World War II, first with unknown residence. After the Second World War Ansfelden belonged to the American occupation zone.
World War II Enigma before the war. Another aspect of military intelligence was the use of deception, which the Allies used to great effect, such as in operations Mincemeat and Bodyguard. Other technological and engineering feats achieved during, or as a result of, the war include the world's first programmable computers (Z3, Colossus, and ENIAC), guided missiles and modern rockets, the Manhattan Project's development of nuclear weapons, operations research and the development of artificial harbours and oil pipelines under the English Channel. World War II World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a