This organization, formed in 1918, boasted Arthur C. Clarke as one of its members.
Glide Path:  It is based on Clarke's own wartime service with the Royal Air Force, during which he worked on the GCA project. Royal Air Force: The Royal Air Force (RAF) is the United Kingdom's aerial warfare force. Royal Air Force:  Formed towards the end of the First World War on 1 April 1918, it is the oldest independent air force in the world.
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