The architect of Britain's aerial victory in 1940 was a career airman who rose to become Commander-In-Chief of RAF Fighter Command and spearheaded the development of the British air defense network that gave the RAF a critical advantage during the Battle of Britain.
Here we see him paying one of his regular visit to a typical Operations Room and being saluted by a young WAAF (Women's Auxiliary Air Force) Section Officer, the female equivalent of a male RAF 'Flying Officer'.