In mid 1917 when General Edmund Allenby took command of the Egyptian Expeditionary Force, Desert Column was renamed to become the Desert Mounted Corps commanded by Lieutenant General Chauvel.[7]
December 1916
Desert Column Headquarters El Arish (Lieutenant General Sir Philip Chetwode)
53rd (Welsh) Division (3 Brigades RFA 12 18–pdrs=24 guns) 4 of each battery only = 16 guns; 4 4.5-inch howitzers = 8 howitzer
54th (East Anglian) Division (3 Brigades RFA 12 18–pdrs=24 guns) 4 of each battery only = 16 guns; 4 4.5-inch howitzers = 8 howitzer
Army Troops (3 Batteries of 4 60–pdrs=12 guns) one section only = 6 guns [22][23][24][Note 2]
Order of Battle April 1917
General Headquarters Commander in Chief Lieutenant General (temp. General) A. J. Murray
Eastern Force GOC Major General (temp. Lieutenant General C. M. Dobell Brigadier General General Staff Brevet Lieutenant Colonel (temp. Brigadier General G. P. Dawnay
Desert Column
GOC Major General (temp. Lieutenant General P. W. Chetwode
Anzac Mounted Division GOC Colonel (temp. Major General) H. G. Chauvel
1st Australian Light Horse Brigade [Anzac Mounted Division] GOC Lieutenant Colonel C. F. Cox
1st Light Horse Regiment
2nd Light Horse Regiment
3rd Light Horse Regiment
1st Australian Light Horse Signal Troop
1st Australian Machine Gun Squadron
2nd Australian Light Horse Brigade GOC Colonel (temp. Brigadier General G. de L. Ryrie
5th Light Horse Regiment
6th Light Horse Regiment
7th Light Horse Regiment
2nd Australian Light Horse Signal Troop
2nd Australian Machine Gun Squadron
New Zealand Mounted Rifles Brigade GOC Brigadier General E. W. C. Chaytor)
Auckland Mounted Rifle Regiment
Canterbury Mounted Rifle Regiment
Wellington Mounted Rifle Regiment
New Zealand Mounted Rifles Signal Troop
New Zealand Machine Gun Squadron
22nd Mounted Brigade GOC Colonel (temp. Brigadier General) F. A. B. Fryer
1/1st Lincolnshire Yeomanry
1/1st Staffordshire Yeomanry
1/1st East Riding Yeomanry
22nd Mounted Brigade Signal Troop
18th Machine Gun Squadron
Divisional Troops same as April 1916 oob except
batteries not brigaded
Mounted Divisional Ammunition Column added
Nos 26 and 27 Australian Units of Supply substituted for Light Horse Supply Column
1/1st North Midland Mounted Brigade Field Ambulance substituted for 3rd Light Horse Field Ambulance
Imperial Mounted Division GOC Colonel (temp. Major General) H. W. Hodgson
3rd Light Horse Brigade GOC Colonel (temp. Brigadier General) J. R. Royston
8th Light Horse Regiment
9th Light Horse Regiment
10th Light Horse Regiment
3rd Australian Light Horse Signal Troop
3rd Australian Machine Gun Squadron
4th Light Horse Brigade GOC Lieutenant Colonel (temp. Brigadier General J. B. Meredith
4th Light Horse Regiment
11th Light Horse Regiment
12th Light Horse Regiment
4th Australian Light Horse Signal Troop
4th Australian Machine Gun Squadron
5th Mounted Brigade GOC Colonel (temp. Brigadier General) E. A. Wiggin
1/1st Warwick Yeomanry
1/1st Gloucester Yeomanry
1/1st Worcester Yeomanry
5th Mounted Signal Brigade Troop
16th Machine Gun Squadron
6th Mounted Brigade GOC Lieutenant Colonel (temp. Brigadier General) T. M. S. Pitt
1/1st Buckinghamshire Yeomanry
1/1st Berkshire Yeomanry
1/1st Dorsetshire Yeomanry
6th Brigade Signal Troop
17th Machine Gun Squadron
Divisional Troops
Artillery
1/1st Nottinghamshire and 1/1st Berkshire Batteries RHA
"A" and "B" Batteries, H.A.C.
Mounted Divisional Ammunition Column
Engineers
Imperial Mounted Division Field Squadron
Signal Service
Imperial Mounted Division Signal Squadron
ASC (unidentified)
Medical Units
3rd and 4th Light Horse, 1/1st and 1/2nd South Midland Mounted Brigades Field Ambulances.[25]
^The third brigades of 53rd and 54th Divisions were in the Suez Canal Defences with 1st Light Horse Brigade about Bir el Abd, Mazar and Bardawil patrolling the pipeline until moving to El Arish on 20 March. And only four guns of each 18–pounder battery of the 53rd and 54th Divisions, and one section of each heavy battery were brought across the Sinai Peninsula. The guns left behind formed part of the Suez Canal Defences. [Wavell 1968, p. 94, 1st Light Horse Brigade War Diary March 1917 AWM4-10-1-32]
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