Pau, Pyrénées-Atlantiques
On 2 August 1914, he was mobilized from the reserves for military service in World War I. His initial assignment was to the 7e Regiment de Hussards. On 4 November 1915, he transferred to aviation service. After training at Pau, Pyrénées-Atlantiques, he received his military pilot's license, Brevet No. 3036, on 20 March 1916.