100 (Yeomanry) Regiment Royal Artillery
Active1967-2014
2023-Present
Allegiance United Kingdom
Branch British Army
RoleNational reserve pool unit
Part of1st Deep Reconnaissance Strike Brigade Combat Team
Garrison/HQRoyal Artillery Barracks, Woolwich Garrison

100 (Yeomanry) Regiment Royal Artillery is an Army Reserve regiment of the Royal Artillery which recruits and maintains specialist reserve batteries and personnel.

It was originally part of the Territorial Army and had sub-units throughout the South of England. It had three gun batteries all equipped with the L118 Light Gun. The regiment's original role was British Army of the Rhine (BAOR) emergency reinforcement, emphasised by its transfer into 49 Infantry Brigade under part of 2 Division. Under 'Options for Change', the regiment became a general support unit fitted out with the FH-70 155mm towed howitzer and assigned to 3 Division; in 1999, it was reassigned as a CS (Close Support) Regiment, losing its ability to deploy as a whole unit. Under Army 2020, it was placed in suspended animation, before being returned to the Order of Battle in 2023, following the resubordination of the National Reserve Headquarters.

History

The regiment was formed as 100th (Eastern) Medium Regiment Royal Artillery at Grove Park in London in 1967.[1] Its sub-units were RHQ, HQ (Home Counties) Battery at Grove Park, Lewisham, (formed from Regimental HQ of 265th (8th London) Light Anti-Aircraft Regiment, Royal Artillery, together with HQ Royal Artillery of 44th (Home Counties) Division/District), 200 (Sussex Yeomanry) Medium Battery at Brighton, 201 (Hertfordshire and Bedfordshire Yeomanry) Medium Battery at Luton, 202 (Suffolk and Norfolk Yeomanry) Medium Battery at Bury St Edmunds and REME LAD which expanded into a workshop during the FH70 period.[1] In 1970 it became 100th Regiment Royal Artillery and in 1976 it became 100 (Yeomanry) Field Regiment Royal Artillery.[1] In 1993 200 Battery left the regiment and 307 (South Nottinghamshire Hussars) Battery at Bulwell joined the unit.[1] It was renamed 100 (Yeomanry) Regiment Royal Artillery in 1993 and in 1999, HQ and 202 Batteries left the regiment; 202 was replaced by 266 (Gloucestershire Volunteer Artillery) Battery at Bristol.[1]

Army 2020

Under Army 2020, this unit was placed in suspended animation and one of its batteries was transferred to another regiment.[2]

The regiment's structure was as follows:[3]

Structure

100th (Yeomanry) Regiment was reformed in September 2023, following the resubordination of the National Reserve Headquarters, Royal Artillery.[4]

  • 100 (Yeomanry) Regiment, Royal Artillery[5]
    • Regimental Headquarters, at Royal Artillery Barracks, Woolwich Station
    • All Arms Staff Pool — made up of personnel from every cap badge, who train with formation headquarters in the Army, including HQ Allied Rapid Reaction Corps, both Divisions and most of the Army's Brigades.
    • 221 (Wessex) Battery, at Royal Artillery Barracks, Larkhill Garrison — The RA Specialist Battery provides gunnery instructors, Naval Gunfire Liaison Officers to 3 Commando Brigade and personnel to support Headquarters of 1DSR BCT. The battery also helps train the rest of the Royal Artillery by providing instructors and support to courses.
    • 255 (Somerset Yeomanry) Tactical Air Control Party Battery, at Upper Bristol Road Army Reserve Centre, Bath— The TACP (Forward Air Control) Battery controls combat aircraft in support of ground troops.[6]

Honorary colonels

References

  1. 1 2 3 4 5 "Royal Regiment of Artillery, Volunteer Regiments". Archived from the original on 15 March 2004. Retrieved 11 May 2014.
  2. 1 2 3 4 Summary of Reserve Structure and Basing Changes Archived 2013-08-10 at the Wayback Machine
  3. ↑ "100 Regiment RA". Ministry of Defence. Archived from the original on 23 October 2013. Retrieved 11 May 2014.
  4. ↑ "The Royal Regiment of Artillery are very pleased to announce that today 100th (Yeomanry) Regiment return to The Order of Battle with the official resubordination of @nrhq_ra". www.instagram.com. Retrieved 2023-12-01.
  5. ↑ "NRHQ RA | Worshipful Company of International Bankers". internationalbankers.org.uk. Retrieved 2023-12-01.
  6. ↑ "Army Reserve Units | Bath".
  7. 1 2 "No. 56164". The London Gazette (Supplement). 2 April 2001. p. 4052.
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