It was this author’s great pleasure to have the honour of being quoted in the latest issue of RCC Perspectives entitled “Rachel Carson’s Silent Spring: Encounters and Legacies” 2012/07 published by the Rachel Carson Center for Environment and Study (RCC), a joint initiative of Munich's Ludwig-Maximilians-Universität and the Deutsches Museum, with the generous support of the German Federal Ministry of Education and Research.
During the Second World War, security was of the utmost importance. Ensuring secure communications to and from high command was of particularly high importance and various methods were employed in so doing. Specialist codes, ciphers, encryption techniques and imaginative deployments were utilised to safeguard these sensitive messages. Code books were printed in which groups of four or five letters, representing a particular code, were arranged and referred to specific operational details. Where there was a need for added, tougher security, a one-time pad could be used in which the actual codebook was also encrypted. In 1982, the remains of a carrier pigeon were discovered only to reveal a coded message which has proved, thus far, to be unbreakable. The wartime efforts made in counterespionage and military security are still effective it seems, even after 70 years of continually advancing technology and coding expertise.