During the First World War, the 129th DCO Baluchis served on the Western Front in France and Belgium, where they became the first Indian regiment to attack the Germans and the only Indian regiment to fight in both the First &amp; Second Battles of Ypres. At Hollebeke, during the First Ypres, Sepoy Khudadad Khan became the first Indian to win the Victoria Cross; Britain's highest decoration for valour. Prior to 1911, Indian soldiers were not eligible for the Victoria Cross. The battalion would go on to serve with distinction in German East Africa alongside 127th QMO Baluch Light Infantry and 130th KGO Baluchis. Meanwhile, the 1st and 3rd Battalions of 124th DCO Baluchistan Infantry served in Persia, while the 2nd distinguished itself in Mesopotamia and Palestine.