12th Anti-Aircraft Division (12th AA Division) was an air defence formation of the
British Army
The British Army is the principal land warfare force of the United Kingdom, a part of the British Armed Forces along with the Royal Navy and the Royal Air Force. , the British Army comprises 79,380 regular full-time personnel, 4,090 Gurk ...
during the early years of the
Second World War
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
. It defended Western
Scotland
Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to the ...
and
Northern Ireland
Northern Ireland ( ga, Tuaisceart Éireann ; sco, label= Ulster-Scots, Norlin Airlann) is a part of the United Kingdom, situated in the north-east of the island of Ireland, that is variously described as a country, province or region. Nort ...
, including the period of the
Clydebank Blitz
The Clydebank Blitz were a pair of air raids conducted by the ''Luftwaffe'' on the shipbuilding and munition-making town of Clydebank in Scotland. The bombings took place in March 1941.
The air raids were part of a bombing program known today as ...
and
Belfast Blitz
The Belfast Blitz consisted of four German air raids on strategic targets in the city of Belfast in Northern Ireland, in April and May 1941 during World War II, causing high casualties. The first was on the night of 78 April 1941, a small attack ...
, but only had a short career.
Mobilisation
The 12th Anti-Aircraft Division was one of five new divisions created on 1 November 1940 by
Anti-Aircraft Command
Anti-Aircraft Command (AA Command, or "Ack-Ack Command") was a British Army command of the Second World War that controlled the Territorial Army anti-aircraft artillery and searchlight formations and units defending the United Kingdom.
Origin
...
to control the expanding anti-aircraft (AA) defences of the United Kingdom. The division was formed by separating responsibility for Western Scotland (particularly the industrial areas of
Clydeside
Greater Glasgow is an urban settlement in Scotland consisting of all localities which are physically attached to the city of Glasgow, forming with it a single contiguous urban area (or conurbation). It does not relate to municipal government ...
and
Ayrshire
Ayrshire ( gd, Siorrachd Inbhir Àir, ) is a historic county and registration county in south-west Scotland, located on the shores of the Firth of Clyde. Its principal towns include Ayr, Kilmarnock and Irvine and it borders the counties of Re ...
) and
Northern Ireland
Northern Ireland ( ga, Tuaisceart Éireann ; sco, label= Ulster-Scots, Norlin Airlann) is a part of the United Kingdom, situated in the north-east of the island of Ireland, that is variously described as a country, province or region. Nort ...
from the existing
3rd AA Division, which continued to be responsible for the rest of mainland Scotland.
[Routledge, p. 394; Map 34.][Frederick, p. 1047.][Pile's despatch.]
/ref>[12 AA Division at RA 39–45.]
/ref>
The divisional headquarters (HQ) was at Glasgow
Glasgow ( ; sco, Glesca or ; gd, Glaschu ) is the most populous city in Scotland and the fourth-most populous city in the United Kingdom, as well as being the 27th largest city by population in Europe. In 2020, it had an estimated popul ...
and the General Officer Commanding (GOC), appointed on 15 November 1940, was Major-General Gerald Rickards, promoted from command of 44th AA Brigade. The 12th AA Division formed part of III AA Corps.[Farndale, Annex J.][Rickards at Generals of WWII.]
/ref>[Lord & Watson, pp. 172, 251.]
The Blitz
The division's fighting units, organised into three AA Brigades, consisted of Heavy (HAA) and Light (LAA) gun regiments and Searchlight (S/L) regiments of the Royal Artillery
The Royal Regiment of Artillery, commonly referred to as the Royal Artillery (RA) and colloquially known as "The Gunners", is one of two regiments that make up the artillery arm of the British Army. The Royal Regiment of Artillery comprises t ...
(RA). The HAA guns were concentrated in the Gun Defence Areas (GDAs) at Belfast and Glasgow, LAA units were distributed to defend Vulnerable Points (VPs) such as factories and airfields, while the S/L detachments were disposed in clusters of three, spaced 10,400 yards apart.
The approved scale of HAA guns for the Clyde had been 80 in 1939, and this was raised to 120 in 1940 and again to 144 in March 1941, but by the end of February 1941, the 12th AA Division still only had 67 guns in place, rising to 88 (11 batteries) in late March.
Glasgow and Clydeside received heavy raids on the nights of 13 and 14 March 1941 (the Clydebank Blitz
The Clydebank Blitz were a pair of air raids conducted by the ''Luftwaffe'' on the shipbuilding and munition-making town of Clydebank in Scotland. The bombings took place in March 1941.
The air raids were part of a bombing program known today as ...
), and again on 7 April, while Belfast
Belfast ( , ; from ga, Béal Feirste , meaning 'mouth of the sand-bank ford') is the capital and largest city of Northern Ireland, standing on the banks of the River Lagan on the east coast. It is the 12th-largest city in the United Kingdo ...
was hit on 15 April and 4 May. The ''Luftwaffe
The ''Luftwaffe'' () was the aerial-warfare branch of the German ''Wehrmacht'' before and during World War II. Germany's military air arms during World War I, the ''Luftstreitkräfte'' of the Imperial Army and the '' Marine-Fliegerabtei ...
'' returned to Clydeside on 5 and 6 May, before The Blitz
The Blitz was a German bombing campaign against the United Kingdom in 1940 and 1941, during the Second World War. The term was first used by the British press and originated from the term , the German word meaning 'lightning war'.
The Germa ...
petered out in mid-May.[
]
Order of Battle 1940–41
The division's composition during the Blitz was as follows:[Order of Battle of Non-Field Force Units in the United Kingdom, Part 27: AA Command, 12 May 1941, with amendments, The National Archives (TNA), Kew, file WO 212/79.]
* 3rd AA Brigade – ''Northern Ireland District''
** 102nd HAA Regiment
** 66th LAA Rgt – ''new unit raised December 1940 from LAA batteries of 102nd HAA Rgt''[Farndale, Annex M.]
** 90th S/L Rgt – ''new unit raised March 1941''[
** 91st S/L Rgt – ''new unit raised March 1941''][
* 42nd AA Brigade – ''Clyde Estuary''
** 83rd (Blythswood) HAA Rgt][Litchfield, pp. 290–3.]
** 100th HAA Rgt[
** 111th HAA Rgt – ''new unit raised October 1940''][
** 123rd HAA Rgt – ''new unit raised February 1941''][
** 18th LAA Rgt][18 LAA Rgt at RA 39–45.]
/ref>
** 60th LAA Rgt – ''new unit raised November 1940;[ to the 63rd AA Brigade by May 1941''
* 63rd AA Brigade – ''West Scotland''
** 60th LAA Rgt – ''from 42 AA Bde by May 1941''
** 56th (Cameronians) S/L Rgt][ – ''to 3rd AA Division by February 1941''
** 57th (Cameronians) S/L Rgt][
** 66th S/L Rgt– ''to the 8th AA Division by May 1941''
** 86th S/L Rgt – ''new unit raised January 1941''][
** 11th AA 'Z' Regiment – ''divisional ]Z Battery
A Z Battery was a short range anti-aircraft weapon system, launching diameter rockets from ground-based single and multiple launchers, for the air defence of Great Britain in the Second World War. The rocket motors were later adapted with a ...
rocket unit formed January 1941''[
* 12th AA Divisional Signals, ]Royal Corps of Signals
The Royal Corps of Signals (often simply known as the Royal Signals – abbreviated to R SIGNALS or R SIGS) is one of the combat support arms of the British Army. Signals units are among the first into action, providing the battlefield communi ...
(RCS) – ''expanded from a Glasgow company of 3rd AA Divisional Signals''[Nalder, p. 621.]
* 12th Divisional Royal Army Service Corps
The Royal Army Service Corps (RASC) was a corps of the British Army responsible for land, coastal and lake transport, air despatch, barracks administration, the Army Fire Service, staffing headquarters' units, supply of food, water, fuel and dom ...
(RASC)
** 195th Company (Northern Ireland District)
** 909th Company
* 12th AA Divisional Royal Army Medical Corps
The Royal Army Medical Corps (RAMC) is a specialist corps in the British Army which provides medical services to all Army personnel and their families, in war and in peace. The RAMC, the Royal Army Veterinary Corps, the Royal Army Dental Corps a ...
(RAMC)
* 12th AA Divisional Workshop Company, Royal Army Ordnance Corps
The Royal Army Ordnance Corps (RAOC) was a corps of the British Army. At its renaming as a Royal Corps in 1918 it was both a supply and repair corps. In the supply area it had responsibility for weapons, armoured vehicles and other military equip ...
(RAOC)
Mid-War
Newly formed AA units joined the division, the HAA and support units increasingly becoming 'Mixed' units, indicating that women of the Auxiliary Territorial Service
The Auxiliary Territorial Service (ATS; often pronounced as an acronym) was the women's branch of the British Army during the Second World War. It was formed on 9 September 1938, initially as a women's voluntary service, and existed until 1 Februa ...
(ATS) were fully integrated into them. At the same time, experienced units were posted away to train for service overseas; in some cases they joined the 12th AA Division temporarily while they trained in Scotland; others remained with AA Command as unbrigaded units. This led to a continual turnover of units, which accelerated in 1942 with the preparations for the invasion of North Africa (Operation Torch
Operation Torch (8 November 1942 – Run for Tunis, 16 November 1942) was an Allies of World War II, Allied invasion of French North Africa during the Second World War. Torch was a compromise operation that met the British objective of secu ...
) and the need to transfer AA units to counter the Baedeker raids
The Baedeker Blitz or Baedeker raids were a series of aerial attacks in April and May 1942 by the German ''Luftwaffe'' on English cities during the Second World War. The name derives from Baedeker, a series of German tourist guide books, includ ...
.[Routledge, pp. 399–401.]
At the end of 1941 S/Ls were declustered to form 'killer zones' for night fighters, and the S/L requirement for Northern Ireland was reduced to three batteries. As a result, 91st S/L Rgt could be converted into an LAA Rgt for the field army.[
In May 1942, the 57th AA Brigade HQ was transferred to the 12th AA Division from the 7th AA Division; some units from the 42nd AA Brigade were transferred to it, together with newly formed units. In August, to deal with the ''Luftwaffe''s hit-and-run attacks, the 3rd AA Division's HQ was moved from Scotland to the South Coast of England and the 12th AA Division took over command of 51st AA Brigade and its units.][Order of Battle of Non-Field Force Units in the United Kingdom, Part 27: AA Command, 14 May 1942, with amendments, TNA file WO 212/81.]
Order of Battle 1941–42
During this period the division was composed as follows (temporary attachments omitted):[Order of Battle of Non-Field Force Units in the United Kingdom, Part 27: AA Command, 2 December 1941, with amendments, TNA file WO 212/80.][
* 3rd AA Brigade
** 1 HAA Rgt ''from 4th AA Division July 1941''
** 102nd HAA Rgt – ''to 6th AA Division by October 1942''
** 111th HAA Rgt – ''from 42 AA Bde June 1941''
** 66th LAA Rgt – ''to 6th AA Division June 1942''
** 81st LAA Rgt – ''from 42 AA Bde by October 1942''
** 84th LAA Rgt – ''from 63 AA Bde June 1942; to 9th AA Division by October 1942''
** 90th S/L Rgt
** 91st S/L Rgt – ''converted into 114th LAA Rgt January 1942;][ then to 4th AA Division''
* 42nd AA Brigade
** 59th (Essex Regiment) HAA Rgt – ''from 6th AA Division Summer 1941; returned by December 1941''
** 60th (City of London) HAA Rgt – ''from 11th AA Division by December 1941; to 57 AA Bde May 1942''
** 73rd HAA Rgt – ''from 7th AA Division May 1941; to ]War Office
The War Office was a department of the British Government responsible for the administration of the British Army between 1857 and 1964, when its functions were transferred to the new Ministry of Defence (MoD). This article contains text from ...
(WO) Reserve September 1941; later to Middle East Forces (MEF)''[Order of Battle of the Field Force in the United Kingdom, Part 3: Royal Artillery (Non-Divisional Units), 25 March 1941, with amendments, TNA files WO 212/5 and WO 33/2323.]
** 83rd (Blythswood) HAA Rgt – ''to WO Reserve June 1941; later to Tenth Army in Iraq''[Joslen, p. 488.]
** 100th HAA Rgt – ''to 57 AA Bde May 1942''
** 111th HAA Rgt – ''to 3 AA Bde June 1941''
** 123rd HAA Rgt – ''to 7th AA Division by December 1941''
** 126th HAA Rgt – ''new unit raised July 1941;[ to 9th AA Division September 1942''
** 130th (Mixed) HAA Rgt – ''new unit raised August 1941''][
** 147th HAA Rgt– ''from 51 AA Bde September 1942''
** 155th (Mixed) HAA Rgt – ''from 57 AA Bde August 1942; unbrigaded unit September 1942''
** 170th (Mixed) HAA Rgt – ''new unit raised August 1942''][
** 18th LAA Rgt – ''to 63 AA Bde Summer 1941''
** 81st LAA Rgt – ''from 5th AA Division May 1942; to 3 AA Bde by October 1942''
** 3rd AA 'Z' Regiment – ''from 3rd AA Division Summer 1941; rejoined 3rd AA Division May 1942''
** 11th AA 'Z' Regiment – ''from 63 AA Bde Summer 1941''
* 51 AA Brigade – ''joined August 1942
** 100th HAA Rgt – ''from 57 AA Bde June 1942; unbrigaded unit September 1942''
** 113th HAA Rgt
** 114th HAA Rgt
** 147th HAA Rgt – ''to 42 AA Bde September 1942''
** 130th (Queen's Edinburgh, Royal Scots) LAA Rgt
** 131st LAA Rgt
* 57th AA Brigade – ''joined May 1942''
** 60th (City of London) HAA – ''from 42 AA Bde May 1942; unbrigaded unit June 1942''
** 100th HAA Rgt – ''from 42 AA Bde May 1942; to 51 AA Bde June 1942''
** 134th (Mixed) HAA Rgt– ''from 11th AA Division August 1942; returned by October 1942''
** 155th (Mixed) HAA Rgt – ''new unit raised March 1942;][ to 42 AA Bde August 1942''
** 4 AA 'Z' Rgt – ''from 4th AA Division August 1942''
* 63 AA Brigade
** 17th LAA Rgt – ''from 6th AA Division by December 1941; left AA Command June 1942; later to Operation Torch''
** 18th LAA Rgt – ''from 42 AA Bde Summer 1941; to Tenth Army in Iraq March 1942''][
** 57th (Glasgow) LAA Rgt
** 60th LAA Rgt – ''to 5th AA Division by December 1941''
** 84th LAA Rgt – ''new unit raised August 1941;][ joined December 1941; to 3 AA Bde June 1942''
** 135th LAA Rgt – ''from 3rd AA Division June 1942; left July 1942''
** 86th S/L Rgt – ''converted into 120th LAA Rgt January 1942;][ to 2nd AA Division September 1942''
** 11th AA 'Z' Regiment – ''to 42 AA Bde Summer 1941''
The increased sophistication of Operations Rooms and communications was reflected in the growth in support units, which attained the following organisation by May 1942:][
* 12th AA Division Mixed Signal Unit HQ, RCS
** HQ No 1 Company
*** 12th AA Division Mixed Signal Office Section
*** 404th AA Gun Operations Room Mixed Signal Section (Glasgow & Clyde)
**** 9th AA Sub-Gun Operations Room Mixed Signal Sub-Section
**** 10th AA Sub-Gun Operations Room Mixed Signal Sub-Section
**** 11th AA Sub-Gun Operations Room Mixed Signal Sub-Section
**** 12th AA Sub-Gun Operations Room Mixed Signal Sub-Section
**** 13th AA Sub-Gun Operations Room Mixed Signal Sub-Section
**** 14th AA Sub-Gun Operations Room Mixed Signal Sub-Section
*** 42nd AA Brigade Signal Office Mixed Sub-Section
*** 335th AA Gun Operations Room Mixed Signal Section (]Inverkip
Inverkip (Scottish Gaelic: ''Inbhir Chip'') is a village and parish in the Inverclyde council area and historic county of Renfrewshire in the west central Lowlands of Scotland, southwest of Greenock and north of Largs on the A78 trunk road. Th ...
)
*** 57th AA Brigade Signal Office Mixed Sub-Section
*** 63rd AA Brigade Signal Office Mixed Sub-Section
*** 206th RAF Fighter Sector Sub-Section (RAF Ayr
RAF Heathfield, sometimes known as RAF Ayr/Heathfield due to its proximity to Glasgow Prestwick Airport, which was also used by military flights, is a former Royal Air Force station.
Like many other wartime airfields, its runways were of the t ...
)
*** 326th AA Gun Operations Room Mixed Signal Section ( Ardeer)
*** 327th AA Gun Operations Room Mixed Signal Section (Stranraer
Stranraer ( , in Scotland also ; gd, An t-Sròn Reamhar ), also known as The Toon, is a town in Dumfries and Galloway, Scotland. It is located in the historical parish of Inch in the historic county of Wigtownshire. It lies on the shores of L ...
)
*** 30th AA Line Maintenance Section
** HQ No 2 Company (Northern Ireland District)
*** 410th AA Gun Operations Room Mixed Signal Section (Northern Ireland District)
**** 30th AA Sub-Gun Operations Room Mixed Signal Sub-Section
**** 31st AA Sub-Gun Operations Room Mixed Signal Sub-Section
*** 3rd AA Brigade Signal Office Mixed Sub-Section
*** 207th RAF Fighter Sector Sub-Section (RAF Ballyhalbert
Royal Air Force Ballyhalbert or more simply RAF Ballyhalbert is a former Royal Air Force station at Ballyhalbert on the Ards Peninsula, County Down, Northern Ireland
RAF Kirkistown was a satellite to the larger Ballyhalbert.
Construction beg ...
)
*** 337th AA Gun Operations Room Mixed Signal Section ( Londonderry)
*** 208th RAF Fighter Sector Sub-Section (RAF Eglinton
Royal Naval Air Station Eglinton or RNAS Eglinton was a Royal Naval Air Station located north east of Eglinton, County Londonderry, Northern Ireland. It opened as a Royal Air Force Station (RAF Eglinton) in 1941, before being transferred to th ...
)
*** 209th RAF Fighter Sector Sub-Section ( RAF St Angelo)
*** 31st AA Line Maintenance Section
*** 32nd AA Line Maintenance Section
* HQ 12th AA Division RASC
** 36th Company
** 195th Company (Northern Ireland District)
** 909th Company
* 12th AA Div RAMC
* 12th AA Div Workshop Company, RAOC
* 12th AA Div Radio Maintenance Company, RAOC
The RAOC companies became part of the new Royal Electrical and Mechanical Engineers
The Corps of Royal Electrical and Mechanical Engineers (REME ) is a corps of the British Army that maintains the equipment that the Army uses. The corps is described as the "British Army's Professional Engineers".
History
Prior to REME's for ...
(REME) during 1942.
Disbandment
A reorganisation of AA Command in October 1942 saw the AA divisions disbanded and replaced by a smaller number of AA Groups more closely aligned with the groups of RAF Fighter Command
RAF Fighter Command was one of the commands of the Royal Air Force. It was formed in 1936 to allow more specialised control of fighter aircraft. It served throughout the Second World War. It earned near-immortal fame during the Battle of Britai ...
. The 12th AA Division amalgamated with the 3rd and the 7th AA Divisions to form the 6th AA Group, based at Edinburgh
Edinburgh ( ; gd, Dùn Èideann ) is the capital city of Scotland and one of its 32 Council areas of Scotland, council areas. Historically part of the county of Midlothian (interchangeably Edinburghshire before 1921), it is located in Lothian ...
and cooperating with No. 14 Group RAF
No. 14 Group RAF was the title of several Royal Air Force groups, including a group responsible for anti-submarine activity from 1918 to 1919 after being transferred from the Royal Naval Air Service; a fighter group formed from a wing in the B ...
, while Northern Ireland became the 7th AA Group based at Belfast
Belfast ( , ; from ga, Béal Feirste , meaning 'mouth of the sand-bank ford') is the capital and largest city of Northern Ireland, standing on the banks of the River Lagan on the east coast. It is the 12th-largest city in the United Kingdo ...
and working with No. 9 Group RAF.[Routledge, Map 36.] Major-General Rickards retired.[ The 12th AA Divisional Signals was amalgamated back into its parent 3rd AA Divisional Signals as the 6th AA Group (Mixed) Signals.][
]
General Officer Commanding
The following officer commanded 12th AA Division:[
* Major-General Gerald Rickards (15 November 1940 – 30 September 1942)
]
Notes
References
*
Basil Collier, ''History of the Second World War, United Kingdom Military Series: The Defence of the United Kingdom'', London: HM Stationery Office, 1957.
* Gen Sir Martin Farndale
General Sir Martin Baker Farndale, (6 January 1929 – 10 May 2000) was a British Army officer who reached high office in the 1980s.
Military career
Educated at Yorebridge Grammar School, Askrigg, and the Royal Military Academy Sandhurst, Farnda ...
, ''History of the Royal Regiment of Artillery: The Years of Defeat: Europe and North Africa, 1939–1941'', Woolwich: Royal Artillery Institution, 1988/London: Brasseys, 1996, .
* J.B.M. Frederick, ''Lineage Book of British Land Forces 1660–1978'', Vol II, Wakefield, Microform Academic, 1984, .
*
* Norman E.H. Litchfield, ''The Territorial Artillery 1908–1988 (Their Lineage, Uniforms and Badges)'', Nottingham: Sherwood Press, 1992, .
* Cliff Lord & Graham Watson, ''Royal Corps of Signals: Unit Histories of the Corps (1920–2001) and its Antecedents'', Solihull: Helion, 2003, .
* Maj-Gen R.F.H. Nalder, ''The Royal Corps of Signals: A History of its Antecedents and Developments (Circa 1800–1955)'', London: Royal Signals Institution, 1958.
Sir Frederick Pile's despatch: "The Anti-Aircraft Defence of the United Kingdom from 28th July, 1939, to 15th April, 1945" ''London Gazette'' 18 December 1947.
* Brig N.W. Routledge, ''History of the Royal Regiment of Artillery: Anti-Aircraft Artillery 1914–55'', London: Royal Artillery Institution/Brassey's, 1994, .
External sources
British Military History
Generals of World War II
Royal Artillery 1939–1945
{{WW2AirDefenceUK
Military units and formations established in 1940
12
Military units and formations disestablished in 1942
12