BRITISH AND COMMONWEALTH ARMIES

SECTION: 8–10 men, commanded by a sergeant or corporal.

PLATOON: four sections, 30–60 men, commanded by a lieutenant.

COMPANY: four platoons, around 200 men, commanded by a captain or major.

BATTALION: four companies, around 1000 men—including cooks, wagon drivers, medical personnel, stretcher-bearers, and a trench mortar battery—commanded by a lieutenant colonel.

INFANTRY BRIGADE: four battalions, between 2500 and 5000 troops, commanded by a brigadier general.

DIVISION: three infantry brigades, three artillery brigades, four engineer companies, mortar batteries, a machine-gun battalion and pioneer battalion—10,000 to 20,000 troops, commanded by a major general.

CORPS: two or more divisions, commanded by a lieutenant general.

ARMY: two or more corps, commanded by a general.