He discovered Saharan Africa, and took part in the French occupation of Tunisia; he was sent in 1884 to Tonkin, where he remained until 1886. The following year he was back in Algeria, where he became aide-de-camp to the General in command of the division quartered in Algiers in 1887, and resumed his previous interest in the Sahara and learned to exploit the qualities of the meharistes, the camel cavalry. Fascinated by the desert, he learned how to live with little: "Personally, I will be really happy only when I'll be able to live without neither drinking nor eating.