What was a Division?

The War Establishment of a Division, according to Field Service Regulations in 1914.

Please note that the Cavalry Division differed: what was a Cavalry Division?

Personnel

Officers
Men
Divisional HQ
15
67
In 3 Infantry Brigades
372
11793
HQ of Divisional Artillery (RFA)
4
18
In 3 Artillery Brigades (RFA) (Field Guns)
69
2316
In 1 Artillery Brigade (RFA) (Howitzers)
22
733
In 1 Heavy Battery and Ammunition Column (RGA)
6
192
In Divisional Ammunition Column (RFA)
15
533
In HQ Divisional Engineers (RE)
3
10
In 2 Field Companies (RE)
12
422
In 1 Signal Company (RE)
5
157
In 1 Cavalry Squadron
6
153
In Divisional Train (ASC)
26
402
In 3 Field Ambulances (RAMC)
30
672
Totals
585
17488
Note: the structure of the Division was modified during the war. In spring 1918  each Infantry Brigade was reduced from four to three battalions. A Machine Gun Battalion, a Mobile Veterinary Section, a third Field Company (RE) and a Divisional Employment Company (Labour Corps) had been added; the Heavy Battery (RGA) had been removed and in most cases the field artillery was reduced to two Artillery Brigades.

Divisional HQ Staff

  • Divisional Commanding Officer (Major-General)
  • 2 Aides-de-Camp
  • General Staff Officer, 1st Grade (GSO1)
  • General Staff Officer, 2nd Grade (GSO2)
  • General Staff Officer, 3rd Grade (GSO3)
  • Assistant Adjutant & Quartermaster-General
  • Deputy Assistant Adjutant & Quartermaster-General
  • Deputy Assistant Quartermaster-General
  • Assistant Director of Medical Services
  • Deputy Assistant Director of Medical Services
  • Assistant Director of Veterinary Services
  • Deputy Assistant Director of Ordnance Services
  • 3 clerks of the Army Postal Service (RE)
  • Assistant Provost-Marshal

Horses

Riding
Draught and pack
Divisional HQ
49
5
In 3 Infantry Brigades
195
546
HQ of Divisional Artillery (RFA)
20
0
In 3 Artillery Brigades (RFA) (Field Guns)
594
1650
In 1 Artillery Brigade (RFA) (Howitzers)
195
502
In 1 Heavy Battery and Ammunition Column (RGA)
29
115
In Divisional Ammunition Column (RFA)
56
648
In HQ Divisional Engineers (RE)
5
3
In 2 Field Companies (RE)
34
118
In 1 Signal Company (RE)
33
47
In 1 Cavalry Squadron
153
14
In Divisional Train (ASC)
66
312
In 3 Field Ambulances (RAMC)
42
156
Totals
1471
4121

Vehicles

In the 3 Infantry Brigades
In Div HQ and other units
1-horsed carts
12
3
2-horsed carts
99
114
2-horsed wagons
84
187
4-horsed wagons
6
39
6-horsed wagons
332
Motor cars
9
Bicycles
108
167
Motor cycles
9

Road space

If an entire Division was laid out for a march in approved layout and spacing, it would occupy 14.6 miles of road, of which 8 miles would be the fighting portion and the rest the various headquarters, ambulances and first-line transport.

Links

The Divisions

Other definitions of units and formations