The generic term ‘unit’ can describe any level within a military hierarchy, which for the infantry was typically as shown below, in ascending order.

Unit	Description	Commanded By	Approx. Number
Section		Corporal	10
Platoon	4 Sections	Lieutenant or 2nd Lieutenant	40
Company	4 Platoons	Major + Captain	200
Battalion	4 Companies	Lieutenant Colonel + Major	1,000
Brigade	4 Battalions	Brigadier General	4,000
Divison	3+ Brigades	Major General	12,000
Corps	Several Divisions	General	Variable

The term ‘infantry’ (foot soldiers) was usually used in contrast to ‘cavalry’ (horse-borne soldiers), although the role of the latter changed considerably in the Great War due to the use of artillery rather than cavalry charges. Many cavalry units fought unmounted but some continued their role of reconnaissance.

Outside the infantry, the term ‘corps’ was sometimes applied to particular services, such as the Army Service Corps, the Royal Army Medical Corps and the Corps of Royal Engineers.

The February 1916 roll of honour includes 12 Langholmites in the navy, which had its own organisational structure.

The summary below is in descending order of the number of ‘Langholmites’* by unit, derived from the local newspaper’s Roll of Honour of January 1916. For a searchable/sortable list of units and individuals, see Roll of Honour.

* Natives, residents or those with other close ties.

Regiment/Corps/Service	Number
King’s Own Scottish Borderers	140
Army Service Corps	31
Gordon Highlanders	27
Canadian Corps	25
Royal Scots	23
Black Watch	15
Yeomanry	15
Royal Army Medical Corps	12
Royal Engineers	12
Royal Garrison Artillery	12
Navy	12
Others	150
Total	474

King’s Own Scottish Borders

Army Service Corps

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