In October 1914, the regiment left Australia, bound for the Middle East. After arriving in Egypt in December, they took part in the North African campaign defending the Suez Canal. They remained there until May 1915, when they left for the Gallipoli campaign with the Australian and New Zealand Army Corps (ANZAC). The regiment left their horses in Egypt, and arrived at the Gallipoli peninsula on 12 May 1915. Here regiment fought in the Landing at Anzac Cove, and the Battle of Sari Bair, but spent most of the campaign in a defensive posture. The regiment left Gallipoli for Egypt in December 1915, by which time they had earned four battle honours.