 Complete the following phrase:  The casualties at Scimitar Hill had been so severe, and manpower wastage through the summer was so heavy, that the 2nd South Midland Mounted Brigade had to be temporarily reorganised as a single regiment, and was evacuated to Egypt in November for rest and recuperation, where it was reunited with its horses. After service in the Senussi Campaign with the Western Frontier Force, the Royal Bucks Hussars went to Palestine to join the Imperial Mounted Division, with which it served in the First and 