Australian wireless operator trainees practice flag semaphore at a training school in Canada, c. 1941. In an air war dominated by the high technology of the day, one wonders at time spent on learning semaphore, essentially a naval form of communication, and while Australian wireless operator Rick Silbert recalls the importance of his Morse Code training he remembers the semaphore as ‘insignificant'. [Rick Silbert, interview, Australians at War Film Archive; AWM P00888.001] Source AWM P00888.001 Place made Australia Copyright Copyright expired - public domain See also Bomber Command