[1] By an Egyptian Expeditionary Force GHQ Order of 12 April 1918, the mounted troops of the EEF were reorganised when the Indian Army units arrived in theatre.
[5] The sub units (Signal Troops, Combined Cavalry Field Ambulances and Mobile Veterinary Sections) were renumbered on the same date.
[3] 1/1st Queen's Own Dorset Yeomanry 2nd Lancers (Gardner's Horse) 38th King George's Own Central India Horse 17th Machine Gun Squadron 10th Cavalry Brigade Signal Troop 10th Combined Cavalry Field Ambulance, RAMC 10th Mobile Veterinary Section 1/1st County of London Yeomanry 29th Lancers (Deccan Horse) 36th Jacob's Horse 21st Machine Gun Squadron 11th Cavalry Brigade Signal Troop 11th Combined Cavalry Field Ambulance, RAMC 11th Mobile Veterinary Section 1/1st Staffordshire Yeomanry 6th King Edward's Own Cavalry 19th Lancers (Fane's Horse) 18th Machine Gun Squadron 12th Cavalry Brigade Signal Troop 12th Combined Cavalry Field Ambulance, RAMC 12th Mobile Veterinary Section Hampshire RHA Berkshire RHA Leicestershire RHA XX RHA Brigade Ammunition Column 4th Field Squadron, RE[6] 4th Cavalry Division Signal Squadron[7] 999th Company ASC 1000th Company ASC 1001st Company ASC 1002nd Company ASC The 1st Mounted / 4th Cavalry Division served with the Desert Mounted Corps for the rest of the war, taking part in the Second Transjordan Raid (30 April to 4 May 1918) and the Final Offensive, in particular the Battle of Megiddo (19 to 25 September) and the Capture of Damascus (1 October).
[9] After the Armistice of Mudros, the division remained in Palestine on occupation duties after the end of the war.
However, demobilization began immediately and most of the British war time units had left by May 1919, though the 1/1st County of London Yeomanry did not leave until March 1920.