At nineteen, he enlisted in the Oran lancers, and distinguished himself by his bravery at Mostaganem in February 1840, was mentioned in dispatches from the army in 1842, and appointed the same year, Lieutenant.
This dish is not only still popular in Oran, but also in other cities of the coast, such as Mostaganem.
Other sections then united with them: in Miliana the section "Ibn Khaldoun", and others in Constantine, Mostaganem, Blida, Setif, Tizi Ouzou, Batna and Guelma.
Voirol successfully established French occupation in Oran, and another French general, Louis Alexis Desmichels, was given an independent command that gained control over Arzew and Mostaganem.