 Complete the following phrase:  Subsequent to the reforms brought about in the Indian Army by Lord Kitchener in 1903, the regiments designation was changed to 58th Vaughans Rifles Frontier Force. In 1914, the regiments class composition was three companies each of Pathans and Sikhs, and one company each of Dogras and Punjabi Muslims. During the First World War, the regiment served on the Western Front in 191415, fighting in the Battles of Givenchy-les-la-Bassee, 