Here is a list of British Army corps from 1899 to 2024, along with relevant online associations where available:
### 1. Royal Army Medical Corps (RAMC)
- Formed: 1898
- Role: Provides medical services to the British Army.
- Online Association:
- [Royal Army Medical Corps Association](https://www.ams-museum.org.uk/museum/ramc-association/)
### 2. Royal Engineers (RE)
- Formed: 1716
- Role: Provides military engineering support.
- Online Association:
- [Institution of Royal Engineers](https://www.instre.org)
- [Royal Engineers Association](https://www.reahq.org.uk)
### 3. Royal Corps of Signals
- Formed: 1920
- Role: Military communications and information systems.
- Online Association:
- [Royal Signals Association](https://www.royalsignals.org)
### 4. Royal Artillery (RA)
- Formed: 1716
- Role: Provides artillery support to the British Army.
- Online Association:
- [Royal Artillery Association](https://www.thegunners.org.uk)
### 5. Royal Logistics Corps (RLC)
- Formed: 1993 (merger of five corps)
- Role: Provides logistics support.
- Online Association:
- [Royal Logistic Corps Association](https://www.royallogisticcorps.co.uk)
### 6. Army Air Corps (AAC)
- Formed: 1957
- Role: Provides airborne reconnaissance and close air support.
- Online Association:
- [Army Air Corps Association](http://www.armyaircorpsmuseum.org)
### 7. Royal Military Police (RMP)
- Formed: 1946 (tracing roots to 1855)
- Role: Military policing and law enforcement.
- Online Association:
- [Royal Military Police Association](https://www.rmpa.org.uk)
### 8. Royal Army Veterinary Corps (RAVC)
- Formed: 1918
- Role: Provides animal care services.
- Online Association:
- [Royal Army Veterinary Corps Association](https://www.veterinarycorpsassociation.org)
### 9. Intelligence Corps
- Formed: 1940
- Role: Provides military intelligence services.
- Online Association:
- [Intelligence Corps Association](https://www.intelligencecorps.co.uk)
### 10. Adjutant General's Corps (AGC)
- Formed: 1992 (merger of several corps)
- Role: Administrative, policing, and legal services.
- Online Association:
- [Adjutant General's Corps Association](https://www.agcassociation.info)
### 11. Corps of Royal Electrical and Mechanical Engineers (REME)
- Formed: 1942
- Role: Provides maintenance and engineering support.
- Online Association:
- [REME Association](https://www.rememuseum.org.uk/reme-association)
### 12. Royal Army Ordnance Corps (RAOC) (now part of the RLC)
- Formed: 1918 (became part of RLC in 1993)
- Role: Supply and ordnance services.
- Online Association: Part of the Royal Logistic Corps Association.
### 13. Corps of Army Music (CAMus)
- Formed: 1994
- Role: Provides military music and bands.
- Online Association:
- [Corps of Army Music Association](https://www.army.mod.uk/who-we-are/corps-regiments-and-units/corps-of-army-music/)
### 14. Queen Alexandra’s Royal Army Nursing Corps (QARANC)
- Formed: 1902 (as an Army Nursing Service, renamed in 1949)
- Role: Nursing and medical care.
- Online Association:
- [QARANC Association](https://www.qarancassociation.org.uk)
### 15. Royal Army Chaplains' Department (RAChD)
- Formed: 1796
- Role: Provides spiritual and moral support to the Army.
- Online Association:
- [RAChD Association](https://www.army.mod.uk/who-we-are/corps-regiments-and-units/royal-army-chaplains-department/)
### 16. Royal Tank Regiment (RTR)
- Formed: 1917
- Role: Provides armoured and tank warfare.
- Online Association:
- [Royal Tank Regiment Association](https://www.royaltankregiment.com)
### 17. Army Physical Training Corps (APTC)
- Formed: 1860
- Role: Provides physical training for soldiers.
- Online Association:
- [Army Physical Training Corps Association](https://www.army.mod.uk/who-we-are/corps-regiments-and-units/army-physical-training-corps/)
### 18. Royal Pioneer Corps (now part of the RLC)
- Formed: 1939 (became part of RLC in 1993)
- Role: Labour and support tasks.
- Online Association: Royal Pioneer Corps Association. https://www.facebook.com/groups/chunkies/
### 19. The Parachute Regiment (Paras)
- Formed: 1942
- Role: Paratrooper infantry regiment.
- Online Association:
- [Parachute Regimental Association](https://www.theparachuteregimentalassociation.com)
### 20. The Rifles
- Formed: 2007 (merger of Light Infantry and other regiments)
- Role: Infantry regiment with light and mechanized capabilities.
- Online Association:
- [The Rifles Association](https://theriflesnetwork.co.uk)
### 21. Royal Gurkha Rifles (RGR)
- Formed: 1994 (from various Gurkha regiments)
- Role: Infantry regiment composed of Nepali soldiers.
- Online Association:
- [Gurkha Brigade Association](https://www.gurkhabde.com)
### 22. Special Air Service (SAS)
- Formed: 1941
- Role: Special forces.
- Online Association:
- No official association, but information can be found via veteran forums.
### 23. Royal Army Dental Corps (RADC)
- Formed: 1921
- Role: Provides dental care to soldiers.
- Online Association:
- [Royal Army Dental Corps Association](https://www.ams-museum.org.uk/museum/radc-association/)
### 24. The Honourable Artillery Company (HAC)
- Formed: 1537
- Role: Reserve regiment providing ceremonial and operational support.
- Online Association:
- [Honourable Artillery Company Association](https://www.hac.org.uk)
### 25. The Brigade of Gurkhas
- Formed: 1947
- Role: Various infantry, signals, and logistical roles.
- Online Association:
- [Gurkha Brigade Association](https://www.gurkhabde.com)
### 26. Royal Armoured Corps (RAC)
- Formed: 1939
- Role: Provides armoured warfare and reconnaissance.
- Online Association:
- [Royal Armoured Corps Association](https://www.army.mod.uk/who-we-are/corps-regiments-and-units/royal-armoured-corps/)
### 27. Royal Corps of Transport (RCT) (now part of the RLC)
- Formed: 1965 (merged into RLC in 1993)
- Role: Transportation and logistics.
- Online Association: Part of the Royal Logistic Corps Association.
These associations and corps have a long and rich history within the British Army, providing vital services and support in both peace and wartime. Online associations often serve as a way for veterans and current service members to maintain connections and provide support across generations.