Throughout the course of the first phase operations, the CC1 was engaged in battle, then the entire division competed with the VI Corps, the siege of Toulon, Marseille and the liberation of Provence. The unit reached the Rhône by means of improvisation, regrouped, west of the river for fifteen days following the disembarking and engaged in a ride of 600 kilometers, which would bring them to the footsteps of the Vosges, following an uninterrupted combat engagement event series, which lead to the liberation of Saint-Étienne, Lyon, Anse et Villefranche, Chalon-sur-Saône, Chagny, Beaune, Dijon and Langres. Started then the hardships of a slow and difficult incursion by the valleys of the Vosgues, in the mud and the rain and snow. After 54 days of marching towards Le Thillot, which stations are Mélisey, Servance, Haut-du-Them-Château-Lambert, Ramonchamp, Cornimont, Travexin, Fresse, la Chevestraye, Recolonges, la Chapelle de Ronchamp, colline de Bourlémont, the division succeeds to the Trouée de Belfort on October 18, 1944.