Aden Brigade Headquarters
*marks British units. All others are of Indian Army.
Cavalry
| Unit or sub-formation | Dates | Notes |
|---|---|---|
| Aden Troop | Throughout | |
| 26th Cavalry | September 1915 onwards | HQ, C and D Squadrons arrived from 9th (Secunderabad) Brigade. B Squadron replaced D in November 1917. |
Artillery
| Units | Dates | Notes |
|---|---|---|
| 61 Company RGA* | To June 1916 | Coast defence |
| 70 Company RGA* | To June 1916 | Coast defence |
| 76 Company RGA* | To June 1916 | Coast defence |
| 5-inch Battery RGA* | Arrived July 1915, broken up June 1916 | |
| 10-pounder Camel Battery | Arrived August 1915, broken up June 1916 | |
| 15-pounder Camel Battery | Arrived August 1915, broken up June 1916 | |
| 4th Hampshire (Howitzer) Battery RFA* | Arrived 13 September 1915, left 14 August 1916 | From 43rd (Wessex) Division |
| Malay States Guides Battery | Arrived October 1915 | |
| 62 Company RGA* | Arrived June 1916 | Coast defence |
| 69 Company RGA* | Arrived June 1916 | Coast defence |
| 85 Company RGA* | Arrived June 1916 | Coast defence |
| 2/1st Devon (Howitzer) Battery RFA* | Arrived 12 August 1916 | In 1917 was renamed 1105th (Howitzer) Battery RFA |
Engineers (Sappers and Miners)
| Units | Dates | Notes |
|---|---|---|
| 23/3rd Fortress Company | Arrived January 1915 | |
| 5/1st Field Company | Arrived June 1915, left April 1918 | |
| 51/1st Field Company | Arrived January 1918 |
Infantry
| Units | Dates | Notes |
|---|---|---|
| 1st Battalion Royal Irish Rifles* | Left 27 September 1914 | Joined 8th Division in England |
| 109th Infantry | Left for India October 1917 | Joined Kohat Brigade |
| 1st Battalion Lancashire Fusiliers* | Arrived from India September 1914, left November 1914 | Joined 29th Division in England |
| 23rd Sikhs | Arrived from India November 1914, left for Egypt January 1916 | Joined 29th Indian Brigade |
| Brecknockshire Battalion South Wales Borderers* | Arrived from England 16 December 1914, left 5 August 1915 for India | From 44th (Home Counties) Division, joined 5th (Mhow) Division |
| 126th Baluchis | Half battalion arrived from Egypt March 1915, left for Mesopotamia January 1916 | Joined 41st Indian Brigade |
| 108th Infantry | Half battalion arrived from India July 1915, left for India January 1916 | |
| 1/4th Battalion Buffs (East Kent Regiment)* | Arrived from India 4 August 1915, left 28 January 1916 | From 5th (Mhow) Division. Joined Bareilly Brigade in Meerut Divisional Area |
| 26th Punjabis | Arrived from India September 1915, left for Mesopotamia December 1915 | Joined 3rd (Lahore) Division |
| 1/4th Battalion Duke of Cornwall’s Light Infantry* | Arrived from India 28 January 1916, left for Egypt 8 February 1917 | From Bareilly Brigade in Meerut Divisional Area. Joined 232nd Infantry Brigade in 75th Division |
| 75th Infantry | Arrived from India January 1916 | From 5th (Mhow) Division |
| 69th Punjabis | Arrived from Mesopotamia January 1916 | From 21st (Bareilly) Brigade in 7th (Meerut) Division |
| 33rd Punjabis | Arrived from Egypt January 1916, left for East Africa April 1917 | |
| 1/6th Battalion East Surrey Regiment* | Arrived from India 7 February 1917, left for India 8 January 1918 | From 5th (Jhelum) Brigade in 2nd (Rawalpindi) Division. Moved to Agra in Meerut Divisional Area |
| 7th Rajputs | Arrived from India April 1917 | From 5th (Mhow) Division |
| 38th Dogras | Arrived from India October 1917, left for Egypt February 1918 | From 1st (Peshawar) Brigade. Joined 30th Infantry Brigade in 10th (Irish) Division |
| 1/7th Battalion Hampshire Regiment* | Arrived from India 8 January 1918 | From Ambala Brigade in 16th Indian Division |
| 1st Brahmans | Arrived from India January 1918 | From Bombay Brigade |
| 1st Yemen Infantry | Formed locally June 1918 | |
| 2/101st Grenadiers | Arrived from Palestine December 1918 | From 30th Infantry Brigade in 10th (Irish) Division |