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Posts tagged with Tremmen

  1. The defences – Air detection (II)

    2017-05-29 11:32:07 UTC

    RADAR was the acronym for Radio Detection And Ranging, with the first sets being tested by British and Germans at the same time during the early years of the 1900s Its combat debut was during Second World War. It was an invaluable air detection aid whenever bad weather, darkness…


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