What was an Infantry Brigade?

The War Establishment of an Infantry Brigade, according to Field Service Regulations in 1914

An Infantry Brigade would normally come under command of a Division.

Personnel

Officers
Men
Brigade HQ
4
23
In 4 Battalions
120
3908
Totals
124
3931
NB: the structure and composition of the Brigade was changed on a number of occasions during the Great War. Most important changes were *the addition of a Machine Gun Company in late 1915 or 1916; *the addition of a Trench Mortar Battery, usually in 1916; * the reduction from 4 to 3 infantry battalions in early 1918; *the removal of the Machine Gun Company when Machine Gun Battalions were formed within the Divisional structure in early 1918.

Brigade HQ Staff

  • Brigadier-General
  • Brigade-Major
  • Staff Captain
  • Veterinary Officr
  • 3 clerks of the Army Postal Service (RE)

Horses

Riding
Draught and Pack
Brigade HQ
13
10
In 4 Battalions
52
172
Totals
65
182

Vehicles

In the 4 Battalions
In Div HQ and other units
1-horsed carts
4
2-horsed carts
32
1
2-horsed wagons
28
4-horsed wagons
2
Bicycles
36

Road space

If an entire Infantry Brigade was laid out for a march in approved layout and spacing, it would occupy 2.25 miles of road, of which 1.5 miles would be the fighting portion and the rest the headquarters and details.

Links

The Infantry Divisions

What was a Division?

Other definitions of units and formations