| Service |
Army |
Raised in the First World War only. Also known as New Army |
| New Zealand Expeditionary Force |
Army |
Formed in 1939 as the 2nd NZEF, a volunteer force for service outside New Zealand. The original NZEF served in the First World War. |
| New Zealand Territorial Force |
Army |
Formed in 1911 for Home Defence in New Zealand |
| New Zealand Volunteer Force |
Army |
Formed by the Militia Act of 1858. It was replaced in 1910 by the New Zealand Territorial Force |
| Non-Permanent Active Militia |
Army |
The Canadian equivalent of the Territorial Army. All units were part of the Active Militia and those units that were not permanently embodied were part of the Non-Permanent Active Militia. In 1940, became part of the Canadian Army. |
| Permanent Active Militia |
Army |
The Regular units of the Active Militia in Canada. The term ceased to be used after the creation of the Canadian Army in 1940 |
| Regular |
Army |
British and Commonwealth formations which were part of the Regular Army or Permanent Force in 1939 or were created from mainly Regular formations later in the War. |
| Reserve |
Army |
|
| Special Reserve |
Army |
Formerly designated the Militia |
| Straits Settlements Volunteer Force |
Army |
Forces raised in Singapore and Malaya by the British Army |
| Supplementary Reserve |
Army |
Formed in 1924 to provide a reserve of men with specialist skills. Northern Irish formations were part of the Supplementary Reserve as the Territorial Army did not exist in Northern Ireland. |
| Tonga Defence Force |
Army |
|
| Volunteer Force |
Army |
Pre-1908 Volunteer Units in the United Kingdom which were formed in 1859. In 1908, they became part of the Territorial Force (later the Territorial Army). |
| War Formed |
Army |
British and Commonwealth formations formed during the War. |
| Young Soldier |
Army |
Young Soldier Battalions were created in both 1917 and 1940 |