appointed a Companion of the Order of the Bath (CB) in the South Africa honours list published on 26 June 1902, and received the decoration from the Prince of Wales during a large coronation parade of colonial troops in London on 1 July 1902. Cox remained with the lancers, which became the 1st Light Horse in 1903. He became the commander in 1906 and was promoted to lieutenant colonel on 2 April 1908. In 1911 Cox was transferred to the unattached officer list. First World War In September 1914, Cox was appointed to command the AIF's 6th Light Horse Regiment. The regiment trained in Sydney and Egypt before arriving at Gallipoli for dismounted service on 19 May 1915. Two days later, Cox was wounded by shrapnel while in his dugout. He was evacuated and did not rejoin his regiment until 1 July. When Brigadier General Chauvel took over the New Zealand and Australian Division on 19 September, Cox became acting commander of the 1st Light Horse Brigade. On 6 December 1915 the appointment became permanent and Cox was promoted to colonel and temporary brigadier general. He held this post for the duration of the war. The 1st Light Horse Brigade arrived back in Egypt on 28 December 1915. The brigade was sent to Wadi Natrun, south west of Cairo, to protect the Kataba Canal against the Senussi. On 11 February 1916, the brigade, less the 3rd Light Horse Regiment, entrained for Minia. They remained there until May, patrolling the area for signs of the Senussi. In May Cox went to England on sick leave. He rejoined his brigade on 26 August 1916 on the Suez Canal front, where they now formed part of Chauvel's ANZAC Mounted Division. Cox and his brigade took part in multiple actions during the Sinai and Palestine Campaign, including the Battle of Magdhaba, Battle of Beersheba and captured the town of Jericho. Post-war Cox returned to Australia on 13 March 1919. In 1920 he was elected to the Senate as a Nationalist representing New South Wales, a seat he held until 1938. He travelled widely through New South Wales and became well known and popular. As a senator, he took an interest in defence policy, the development of the railway system, and the construction of the new national capital in Canberra. Cox was appointed to command the 4th Light Horse Brigade in 1920, and then the