On 28 September 1918, in the Fifth Battle of Ypres, the Groupe d'Armées des Flandres ("Flanders Army Group" or GAF), under the command of Albert I with the French General Jean Degoutte as Chief of Staff, composed of 12 Belgian divisions, 10 British divisions of the Second Army and 6 French divisions of the Sixth Army attacked the Germans and advanced up to 6 miles .