 Complete the following phrase:  The regiment mobilised in August 1914, but remained in England until 1915, when they sailed for Egypt with 2nd Mounted Division. During the move, the horse transport Wayfarer was torpedoed on 11 April 1915 having just left Avonmouth; although she did not sink, the horses had to be rescued. Volunteers of the regiment saved 763 horses, receiving a Military Cross and twelve Meritorious Service Medals. They arrived in Egypt on 24 April, before being moved to Gallipoli for service as dismounted infantry. They landed at Suvla Bay on 18 August and saw action at the Battle of Scimitar Hill, on 21 August. The regiment took heavy losses, but remained in the line until withdrawn at the end of October. It was assigned to the Australian Mounted Division in February 1917, serving in Palestine as cavalry, and seeing action at the First and 