Upfield first arrived in Adelaide on 4 November 1911, and worked there for some time before “going bush.” He enlisted in the Australian Imperial Force on 22 August 1914, which would have been about two years and eight months later.
After serving in Australia, Egypt, France and England, Upfield was discharged on 15 October 1919. But he remained in England for another year before returning to Australia, arriving in January 1921. He then worked on his parents-in-law’s farm at Barrakee in western Victoria and in a Melbourne factory for some time before "going bush" again. He left the bush in mid 1931, about ten years and six months later.
So he worked in the Outback for a total of about thirteen years, seven years less than the commonly believed twenty years.