9th Anti-Aircraft Division (United Kingdom)

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9th Anti-Aircraft Division
9th AA div.svg
Formation sign of the division, emblematic of its role and number. [1]
Active16 October 1940 – 30 September 1942
CountryFlag of the United Kingdom.svg  United Kingdom
Branch Flag of the British Army.svg British Army
TypeAnti-Aircraft Division
RoleAir Defence
Size3 Brigades
Part of 1 AA Corps
Garrison/HQ Cardiff
Engagements Cardiff Blitz
Swansea Blitz
Baedeker Blitz

The 9th Anti-Aircraft Division (9th AA Division) was an air defence formation of the British Army during the middle years of the Second World War. It defended South Wales and the Severn Valley during The Blitz but only had a short career.

Contents

Mobilisation

The 9th Anti-Aircraft Division was one of five new divisions created on 1 November 1940 by Anti-Aircraft Command to control the expanding anti-aircraft (AA) defences of the United Kingdom. The 8th and the 9th AA Divisions were formed by splitting off parts of 5th AA Division. The 9th AA Division took over responsibility for South Wales, Gloucestershire, and Herefordshire. [2] [3] [4] [5] [6] [7]

The divisional headquarters (HQ) was at Cardiff and the General Officer Commanding (GOC) was Major-General Douglas Paige, MC, who had been commander, Corps Royal Artillery, of XI Corps.< [8] [9] The division formed part of I AA Corps, which was created at the same time to cover Southern England and Wales. [4] The existing 45th AA Brigade continued to control the whole South Wales area and report to the 5th AA Division until the end of 1940 while the 9th AA Division and 61st AA Brigade HQs were being established. [lower-alpha 1] 61st AA Brigade finally assumed responsibility at the beginning of February 1941. [10] [12]

Of the formations and units assigned to the new division, a number had served with the British Expeditionary Force in the Battle of France and had been reformed and re-equipped in the Severn Valley and West Wales after the Dunkirk evacuation. [13] [14] [15] [16] [17] [18] [19] The others were mainly Territorial Army units formed locally just before the outbreak of war.

The Blitz

At the time the 9th AA Division was created, the towns of South Wales, including important coal and oil port facilities, refineries, steelworks and ordnance factories, were under almost nightly air attack (the Cardiff Blitz and Swansea Blitz), to which the AA defences replied as best they could. [5] [6] [20] The division's fighting units, organised into three AA Brigades, consisted of Heavy (HAA) and Light (LAA) gun units and Searchlight (S/L) units of the Royal Artillery. There were major concentrations of HAA guns in the Gun Defence Areas (GDAs) at Cardiff (covering Barry, Cardiff, and Newport) and Swansea (covering Llanelli, Port Talbot, and Swansea), LAA units were distributed to defend Vulnerable Points (VPs) such as docks and Glascoed Royal Ordnance Factory, while the S/L detachments were widely spread and crossed brigade boundaries.

The 1st Searchlight Regiment was deployed under both the 45th AA Brigade and the 61st AA Brigade to complete the 'Illuminated Area' in South Wales. The regiment assisted the AA guns of the Cardiff and Swansea GDAs and Night fighters of No. 10 Group RAF, while the S/L detachments occasionally engaged the raiders directly with their Light machine guns (LMGs). [3] [12] [18] [21] Meanwhile, the 37th (Tyne Electrical Engineers) S/L Rgt in the 5th AA Brigade had one battery operating the 'Cardiff–Newport Dazzle Area', others were at Hereford and Stonehouse, Gloucestershire, the latter also providing homing beacons for aircraft returning to RAF Colerne and RAF Moreton-in-Marsh. The latter batteries reported enemy air activity as 'slight' and 'small scale' during the winter of 1940–41, with one significant raid on Cheltenham on 11 December. [22]

A mobile 3.7-inch gun surmounts the monument erected to the air defence of Swansea, particularly the night of 21 February 1941. The Monument to the Air Defence of Swansea 1939-1945 - geograph.org.uk - 498182.jpg
A mobile 3.7-inch gun surmounts the monument erected to the air defence of Swansea, particularly the night of 21 February 1941.

There was enemy air activity over the Bristol Channel and South Wales coast on most nights, but usually these were reconnaissances or nuisance raids, [12] Heavier raids began against Cardiff and Swansea in January and February, 1941. [10] [23] The Luftwaffe began a new tactic of hitting the same towns on successive nights in an attempt to put them completely out of action. Swansea was the first town so attacked. [5] On the night of 19/20 February the building housing both the Regimental HQ of the 79th (Hertfordshire Yeomanry) HAA Rgt and the Gun Operations Room (GOR) of the 61st AA Brigade at Swansea was destroyed by a bomb during a heavy raid. Two officers and five other ranks were killed or died of wounds, but the guns continued firing under local control and communications were maintained. [24] [25]

The Luftwaffe returned to continue the 'Swansea Blitz' on the nights of 20/21 and 21/22 February. On the latter night, there was confusion between the Sector Operations Room (SOR) at RAF Pembrey and the Swansea GOR, resulting in the guns ceasing fire between 20.20 and 21.10 but no night fighters arriving, leaving the town centre unprotected. Although some raiders were shot down once the restriction was lifted, the centre of Swansea was devastated, and fires and delayed-action bombs destroyed communications. The GOR had to be temporarily relocated to Neath. [26]

By the end of February 1941, the HAA guns (3-inch and the newer 3.7-inch and 4.5-inch guns) in the Cardiff and Swansea GDAs only numbered 52 and 18 out of a planned establishment of 64 and 36 respectively. These had been increased a month later to 56 and 36, though further additions to the establishment were already being called for. [27] The position on LAA gun sites was worse: only small numbers of Bofors 40 mm guns were available at the start of the Blitz, and most LAA detachments had to make do with LMGs. [28]

Mothers and children in a working class area of Swansea have tea and sandwiches from a mobile canteen after a night's bombing. Britain's Home Front 1939 - 1945- Civil Defence HU36143.jpg
Mothers and children in a working class area of Swansea have tea and sandwiches from a mobile canteen after a night's bombing.

Order of Battle 1940–41

The division's composition during the Blitz was as follows: [3] [21] [29] [30] [11]

Mid-War

After a busy period for the AA defences of South Wales in early May 1941, the Blitz effectively ended in the middle of the month. Desultory raiding continued through June and July while the gaps in AA defences were filled as more equipment and units became available. Searchlights, now assisted by Searchlight Control (SLC) radar, were reorganised, with a 'Killer Belt' established between the Cardiff and Bristol (the 8th AA Division) GDAs to cooperate closely with RAF night fighters. The HAA and support units increasingly became 'Mixed', indicating that women of the Auxiliary Territorial Service (ATS) were fully integrated into them. At the same time, experienced units were posted away to train for service overseas (sometimes being lent back to AA Command while awaiting embarkation). This led to a continual turnover of units, which accelerated in 1942 with the preparations for the invasion of North Africa (Operation Torch) and the need to transfer AA units to counter the Luftwaffe's Baedeker Blitz against largely unprotected towns and hit-and-run daylight attacks against South Coast towns. [5] [51] [52] [53] [54]

In June 1942, the 5th AA Brigade HQ was transferred to the 5th AA Division defending the South Coast and was replaced by the 67th AA Brigade HQ from the 11th AA Division in the West Midlands. [55] On 27 July 1942, the lights of the 37th S/L Rgt were engaged during a Baedeker raid on Cheltenham. [56]

Order of Battle 1941–42

During this period the division was composed as follows: [11] [57] [55] [58]

61st AA Brigade

The increased sophistication of Operations Rooms and communications was reflected in the growth in support units, which attained the following organisation by June 1942: [55]

The RAOC companies became part of the new Royal Electrical and Mechanical Engineers (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. The 9th AA Division re-merged with the 5th and the 8th AA Divisions into the 3rd AA Group based at Bristol and cooperating with No. 10 Group RAF. [2] [3] [7] [94]

General Officer Commanding

The following officer commanded 9th AA Division: [8] [9]

Footnotes

  1. ↑ Several sources mistakenly label the 61st AA Brigade as the 64th AA Brigade; the correct designation is confirmed by 79th (HY) HAA Rgt's regimental history [10] and official AA Command Order of Battle. [11]

Notes

  1. ↑ Cole p. 56
  2. 1 2 Frederick, p. 1047.
  3. 1 2 3 4 "9 AA Division at British Military History" (PDF). Archived from the original (PDF) on 23 September 2015. Retrieved 23 July 2017.
  4. 1 2 Routledge, p. 394; Map 34.
  5. 1 2 3 4 Pile's despatch.
  6. 1 2 Collier, Chapter 17.
  7. 1 2 "AA Command 1940 at British Military History". Archived from the original on 5 December 2014. Retrieved 23 July 2017.
  8. 1 2 Farndale, Annex J.
  9. 1 2 Paige at Generals of World War II.
  10. 1 2 3 Sainsbury, pp. 77–9.
  11. 1 2 3 Order of Battle of Non-Field Force Units in the United Kingdom, Part 27: AA Command, 12 May 1941, The National Archives (TNA), Kew, file WO 212/79.
  12. 1 2 3 4 45 AA BrigadeWar Diary 1940, The National Archives (TNA), Kew file WO 166/2285.
  13. ↑ Routledge, pp. 116–26.
  14. ↑ Farndale, p. 98.
  15. ↑ Sainsbury, pp. 51-71
  16. 1 2 "79 HAA Rgt at RA 39–45".
  17. 1 2 "85 HAA Rgt at RA 39–45".
  18. 1 2 3 1 S/L Rgt at RA 39–45.
  19. ↑ 37 (TEE) S/L Rgt War Diary May–June 1940, TNA file WO 167/679
  20. ↑ Routledge, p. 391.
  21. 1 2 9 AA Division at RA 39–45.
  22. ↑ 37 S/L Rgt War Diary August 1940–September 1941, TNA file WO 166/3054.
  23. ↑ Collier, Appendix XXX.
  24. ↑ Routledge, p. 395.
  25. ↑ Sainsbury, pp. 80–81.
  26. ↑ Sainsbury, pp. 83–4.
  27. ↑ Collier Chapter 18.
  28. ↑ Routledge, pp. 383–4, Table LXVI, p. 397, p. 398.
  29. ↑ Routledge, Table LXV, p. 396.
  30. ↑ Farndale, Annex D, pp. 257–9.
  31. ↑ Litchfield, p. 253.
  32. ↑ "88 HAA Rgt at RA 39–45".
  33. ↑ Litchfield, pp. 166–7.
  34. 1 2 3 4 5 6 7 8 Farndale, Annex M.
  35. ↑ 47 LAA Rgt at RA 39–45.
  36. ↑ 37 S/L Rgt at RA 39–45.
  37. ↑ Litchfield, p. 193.
  38. 1 2 Litchfield, p. 80.
  39. ↑ "77 HAA Rgt at RA 39–45".
  40. 1 2 20 LAA War Diary 1939–41, TNA file WO 166/2690.
  41. ↑ "20 LAA Rgt at RA 39–45".
  42. ↑ Litchfield, pp. 82–3.
  43. ↑ 34 LAA Rgt at RA 39–45.
  44. ↑ Litchfield, p. 83.
  45. ↑ 67 S/L Rgt at RA 39–45.
  46. ↑ Litchfield, p. 82.
  47. ↑ Litchfield, p. 104.
  48. ↑ Sainsbury, p. 77.
  49. ↑ 8 AA Z Rgt at RA 39–45.
  50. ↑ Lord & Watson, p. 291.
  51. ↑ Routledge, pp. 398–404, Map 35.
  52. ↑ Sainsbury, pp. 87–90.
  53. ↑ Collier, Chapter 19.
  54. ↑ Collier, Chapter 20.
  55. 1 2 3 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.
  56. ↑ 37 S/L Rgt War Diary July–December 1942, TNA file WO 166/7788.
  57. ↑ 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.
  58. ↑ Order of Battle of Non-Field Force Units in the United Kingdom, Part 27: AA Command, 1 October 1942, TNA file WO 212/82.
  59. ↑ Joslen, p. 519.
  60. ↑ Litchfield, p. 164.
  61. ↑ "52 HAA Rgt at RA 39–45".
  62. ↑ Litchfield, p. 107.
  63. ↑ "58 HAA Rgt at RA 39–45".
  64. ↑ "143 HAA Rgt at RA 39–45".
  65. ↑ Joslen, p. 525.
  66. ↑ 77 LAA Rgt at RA 39–45.
  67. ↑ "112 LAA at RA 39–45".
  68. ↑ Joslen, p. 558.
  69. ↑ Sainsbury, p.91.
  70. ↑ "112 HAA Rgt at RA 39–45".
  71. ↑ "118 HAA Rgt at RA 39–45".
  72. ↑ Joslen, p. 523.
  73. ↑ 44 LAA Rgt at RA 39–45.
  74. ↑ Litchfield, p. 43.
  75. ↑ 55 LAA Rgt at RA 39–45.
  76. ↑ Order of Battle of the Field Force in the United Kingdom, Part 3: Royal Artillery, 26 December 1940, with amendments, TNA files WO 212/4 and WO 33/2365.
  77. ↑ 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.
  78. ↑ Order of Battle of the Field Force in the United Kingdom, Part 3: Royal Artillery (Non-Divisional units), 22 October 1941, with amendments, TNA files WO 212/6 and WO 33/1883.
  79. ↑ Joslen, p. 524.
  80. ↑ 72 LAA Rgt at RA 39–45.
  81. ↑ Joslen, p. 526.
  82. ↑ Litchfield, p. 91.
  83. ↑ "57 HAA Rgt at RA 39–45".
  84. ↑ Sainsbury p. 90.
  85. ↑ "120 HAA Rgt at RA 39–45".
  86. ↑ "138 HAA Rgt at RA 39–45".
  87. ↑ 50 LAA Rgt at RA 39–45.
  88. ↑ Joslen, p. 487.
  89. ↑ 80 LAA Rgt at RA 39–45.
  90. ↑ "77 S/L Rgt at RA 39–45".
  91. ↑ "119 HAA Rgt at RA 39–45".
  92. ↑ 87 LAA Rgt at RA 39–45.
  93. ↑ "135 LAA Rgt at RA 39–45".
  94. ↑ Routledge, pp. 400–1, Map 36.

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