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10th Anti-Aircraft Division
10th AA div.svg
Formation sign of the division, from the crest of the coat of arms of Major-General Langley Browning.[1]
Active 1 November 1940–30 September 1942
Country  United Kingdom
Branch Flag of the British Army.svg British Army
Type Anti-Aircraft Division
Role Air Defence
Size 3–4 Brigades
Part of 2 AA Corps
Garrison/HQ York
Engagements The Blitz
Baedeker Blitz

10th Anti-Aircraft Division (10 AA Division) was an air defence formation of the British Army during the early years of World War II. It defended Yorkshire and Humberside during The Blitz and the Baedeker Blitz but only had a short career.

Mobilisation[edit | edit source]

10th 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 division was formed by taking the two southern brigade areas (31 and 39) from the existing 7 AA Division in North East England, together with a newly formed brigade (62), and giving it responsibility for the air defence of East and West Yorkshire and the Humber Estuary.[2][3][4][5][6]

The divisional headquarters (HQ) was at York and the first General Officer Commanding (GOC), appointed on 14 November 1940, was Major-General Langley Browning, who had been Commander, Royal Artillery, at 4th Infantry Division. 10 AA Division formed part of 2 AA Corps.[7][8][9]

The Blitz[edit | edit source]

Blitz devastation in Sheffield city centre

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 HAA guns were concentrated in the Gun Defence Areas (GDAs) at Hull, Leeds and Sheffield. 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.[10]

At the time 10 AA Division was created, the industrial towns of the UK were under regular attack by night, to which the limited AA defences replied as best they could. West Yorkshire, despite its important industrial facilities, steelworks, aircraft and ordnance factories, was at a considerable distance from the Luftwaffe 's bases and was less often raided than coastal targets and The Midlands. Nevertheless, in 10 AA Division's area, Sheffield was badly bombed on 12 and 15 December 1940 (the Sheffield Blitz), Leeds on 14 March 1941 (the Leeds Blitz), Hull on 18 March (the Hull Blitz) and on 7 and 8 May, when Sheffield was also hit again.[5][6][11][12]

troops of 9th Battalion, The Hampshire Regiment, helping to clear bomb damage in Hull.

There were still too few AA guns for the tasks set them, and in March 1941 AA Command was obliged to shift some HAA guns from Sheffield to Liverpool, which was under much heavier attack.[13] 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 Light machine guns (LMGs).[14]

Order of Battle 1940–41[edit | edit source]

The division's composition during the Blitz was as follows:[4][15][16][17][18]

Spotter and predictor operators at a 4.5-inch HAA gun site in Leeds, 20 March 1941.

Mid-War[edit | edit source]

Even when the main Blitz ended in May 1941, Hull was an easy target for inexperienced Luftwaffe crews and was frequently bombed and Parachute mines dropped in the Humber Estuary. A special S/L 'Dazzle Barrage' installed at Hull foiled at least one attack, in August 1941.[51] The other 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' surrounding the Hull GDA 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.[5][7][51][52]

In the Spring of 1942 a new phase in the air campaign began with the so-called Baedeker Blitz mainly directed against undefended British cities. In 10 AA Division's area, York was accurately hit on 28 April, Hull on 19 May and 31 July, and Grimsby on 29 May. The severity of the raid on Hull on 19 May was lessened when many bombs were aimed at a fire started by incendiary bombs landing on an AA site outside the city.[53][54] Redeployment of resources became necessary to counter the Baedeker raids, mostly to southern England, but also the establishment of a GDA at York. A series of Luftwaffe 'hit and run' raids against towns on the South Coast also led to the withdrawal of many LAA guns. 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 with the preparations for the invasion of North Africa (Operation Torch) in late1942.[5][7][53][55]

65 AA Brigade HQ joined in June 1942 and several regiments were transferred to it from 39 AA Bde.[56] 62 AA Brigade HQ left in August 1942 and took part in Operation Torch, landing in North Africa in December.[57]

Order of Battle 1941–42[edit | edit source]

During this period the division was composed as follows (temporary attachments omitted):[18][56][58][59]

3.7-inch HAA gun preserved at Fort Paull in the Hull GDA (Photo: Andy Beecroft).

  • 62 AA Bdeto WO Control for Operation Torch August 1942[57][77]
    • 66th (Leeds Rifles) HAA Rgtfrom Orkney and Shetland Defences (OSDEF) June 1941; left AA Command and arrived in India by May 1942[32][78][79][80]
    • 75th HAA Rgt – to 6 AA Division Summer 1941
    • 96th HAA Rgt – left AA Command by May 1942, later to MEF[43][44][71]
    • 117th HAA Rgt – to 4 AA Division by December 1941
    • 128th HAA Rgtnew regiment formed August, joined by December 1941;[45][81] to 31 AA Bde August 1942'
    • 139th (Mixed) HAA Rgtnew regiment formed September 1941, joined January 1942; to 65 AA Bde August 1942[45][82]
    • 152nd (Mixed) HAA Rgt – new regiment formed March 1942, to 39 AA Bde August 1942[45][83]
    • 59th LAA Rgt – left AA Command and arrived in India by April 1942[84][85]
    • 121st (Leicestershire Regiment) LAA Rgt – converted from 44th S/L Rgt January 1942[45][86][87][88] to 39 AA Bde May 1942
  • 65 AA Bdefrom 5 AA Division June 1942
    • 113th HAA Rgt – from 39 AA Bde May 1942; to mobile training August 1942[73]
    • 139th HAA Rgt – from 62 AA Bde August 1942
    • 151st (Mixed) HAA Rgtfrom 4 AA Division July 1942[89]
    • 29th LAA Rgt – from 39 AA Bde May 1942; to WO Control for Operation Torch June 1942'[68][69][77]
    • 71st LAA Rgt – from 31 AA Bde August 1942'
    • 2 AA 'Z' Rgt – from 39 AA Bde May 1942

The increased sophistication of communications for Gun Operations Rooms (GORs) and RAF Sectors was reflected in the growth in support units, which attained the following organisation by May 1942:[56]

  • 10 AA Division Mixed Signal Unit HQ, RCS
    • HQ No 1 Company
      • 10 AA Division Mixed Signal Office Section
      • 31 AA Brigade Signal Office Mixed Sub-Section
      • 107 RAF Fighter Sector Sub-Section (RAF Church Fenton)
      • 311 AA GOR Mixed Signal Section (Leeds GDA)
      • 24 AA Line Maintenance Section
    • HQ No 2 Company
      • 39 AA Brigade Signal Office Mixed Sub-Section
      • 114 RAF Fighter Sector Sub-Section (RAF Kirton-in-Lindsey)
      • 312 AA GOR Mixed Signal Section (Sheffield GDA)
      • 62 AA Brigade Signal Office Mixed Sub-Section
      • 408 AA GOR Mixed Signal Section (Humber GDA)
        • 24 AA Sub-GOR Mixed Signal Sub-Section
        • 25 AA Sub-GOR Mixed Signal Sub-Section
        • 26 AA Sub-GOR Mixed Signal Sub-Section
        • 27 AA Sub-GOR Mixed Signal Sub-Section
      • 65 AA Brigade Signal Office Mixed Sub-Section
      • 25 AA Line Maintenance Section
      • 26 AA Line Maintenance Section
  • HQ 10 AA Div RASC
    • 926, 930 Companies
    • 5 AA Tractor Battery – joined June 1942
  • 10 AA Div RAMC
  • 10 AA Div Workshop Company, RAOC
  • 10 AA Div Radio Maintenance Company, RAOC

The RAOC companies became part of the new Royal Electrical and Mechanical Engineers (REME) during 1942.

Disbandment[edit | edit source]

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. 10 AA Division merged with 2 AA Division to form 5 AA Group based at Nottingham and cooperating with No. 12 Group RAF.[3][3][4][5][7][90]

General Officers Commanding[edit | edit source]

The following officers commanded 10th AA Division:[7][8]

  • Major-General Langley Browning, from 14 November 1940 to 13 February 1942[9]
  • Major-General Erroll Tremlett, promoted 14 February 1942 from command of 44 AA Bde, until disbandment[91]

Notes[edit | edit source]

  1. Cole p. 56
  2. Routledge, p. 394; Map 34.
  3. 3.0 3.1 3.2 AA Command 1940 at British Military History
  4. 4.0 4.1 4.2 10 AA Division 1940 at British Military History.
  5. 5.0 5.1 5.2 5.3 5.4 Pile's despatch.
  6. 6.0 6.1 Collier, Chapter 17.
  7. 7.0 7.1 7.2 7.3 7.4 Robert Palmer, 'AA Command History and Personnel' at British Military History.
  8. 8.0 8.1 Farndale, Annex J.
  9. 9.0 9.1 Browning at Generals of WWII.
  10. Routledge, pp. 388-9, 93.
  11. Collier, Appendix XXX and Appendix XXXI
  12. Routledge, p. 394.
  13. Collier, Chapter 18.
  14. Routledge, pp. 383–4, Table LXVI, p. 397, p. 398.
  15. Routledge, Table LXV, p. 396.
  16. Farndale, Annex D, pp. 257–9.
  17. 10 AA Division 1940 at RA 39–45.
  18. 18.0 18.1 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.
  19. 19.0 19.1 Litchfield, p. 54.
  20. 20.0 20.1 87 HAA Rgt at RA 39–45.
  21. Litchfield, p. 269.
  22. 38 LAA Rgt at RA 39–45.
  23. 71 LAA Rgt at RA 39–45.
  24. Litchfield, p. 268.
  25. 43 S/L Rgt at RA 39–45.
  26. Litchfield, p. 259.
  27. 49 S/L Rgt at RA 39–45.
  28. Litchfield, p. 57.
  29. 54 S/L Rgt at RA 39–45.
  30. 30.0 30.1 Litchfield, p. 250.
  31. 31.0 31.1 62 HAA Rgt at RA 39–45.
  32. 32.0 32.1 32.2 Litchfield, p. 266.
  33. 33.0 33.1 91 HAA Rgt at RA 39–45.
  34. Litchfield, p. 144.
  35. 39 LAA Rgt at RA 39–45.
  36. Litchfield. p. 41.
  37. 40 S/L Rgt at RA 39–45.
  38. 38.0 38.1 Litchfield, p. 143.
  39. 46 S/L Rgt at RA 39–45.
  40. 84 S/L Rgt at RA 39–45.
  41. Litchfield, p. 106.
  42. 75 HAA Rgt at RA 39–45.
  43. 43.0 43.1 Litchfield, p. 267.
  44. 44.0 44.1 96 HAA Rgt at RA 39–45.
  45. 45.0 45.1 45.2 45.3 45.4 45.5 45.6 45.7 Farndale, Annex M.
  46. 117 HAA Rgt at RA 39–45.
  47. 59 LAA Rgt at RA 39–45.
  48. 48.0 48.1 78 LAA Rgt at RA 39–45.
  49. 2 AA Z Rgt at RA 39–45.
  50. Lord & Watson, p. 251.
  51. 51.0 51.1 Collier, Chapter 19.
  52. Routledge, pp. 399 & Map 35.
  53. 53.0 53.1 Collier, Chapter 20.
  54. Collier, Appendix XXXVII.
  55. Routledge, pp. 402–4.
  56. 56.0 56.1 56.2 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.
  57. 57.0 57.1 Routledge, pp. 177, 180.
  58. 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.
  59. Order of Battle of Non-Field Force Units in the United Kingdom, Part 27: AA Command, 1 October 1942, TNA file WO 212/82.
  60. 12 HAA Rgt at RA 39–45.
  61. Order of Battle of the Field Force in the United Kingdom, Part 3: Royal Artillery (Non-Divisional Units), 25 March 1941, TNA file WO 212/5.
  62. Routledge, Table XXIII, p. 161.
  63. Joslen, p. 484.
  64. 114 LAA Rgt at RA 39–45.
  65. Litchfield, p. 226.
  66. 30 S/L Rgt at RA 39–45.
  67. 30 Searchlight Regiment War Diary, 24 August 1939–31 December 1941, TNA War Office file WO 166/3044.
  68. 68.0 68.1 Routledge, Table XXX, p. 188.
  69. 69.0 69.1 Joslen, p. 465.
  70. Order of Battle of the Field Force in the United Kingdom, Part 3: Royal Artillery (Non-Divisional Units), 14 August 1942, TNA file WO 212/7 and WO 33/1927.
  71. 71.0 71.1 Routledge, Table XXIV, p. 162.
  72. 113 HAA Rgt at RA 39–45.
  73. 73.0 73.1 113 HAA Rgt War Diary 1942, TNA file WO 166/7481.
  74. 29 LAA Rgt at RA 39–45.
  75. Joslen, p. 525.
  76. 82 LAA Rgt at RA 39–45.
  77. 77.0 77.1 Order of Battle of the Field Force in the United Kingdom, Part 3: Royal Artillery (Non-Divisional Units), 22 November 1942, TNA file WO 212/8 and WO 33/1962.
  78. 66 HAA at RA 39–45.
  79. Routledge, Table XXXVII, p. 252.
  80. Joslen, p. 520.
  81. 128 HAA Rgt at RA 39–45.
  82. 139 HAA Rgt at RA 39–45.
  83. 152 HAA Rgt at RA 39–45.
  84. Routledge, p. 236.
  85. Joslen, p. 524.
  86. Litchfield, p. 139.
  87. 44 S/L Rgt at RA 39–45.
  88. 121 LAA Rgt at RA 39–45.
  89. 151 HAA Rgt at RA 39–45.
  90. Routledge, pp. 400–1, Map 36.
  91. Tremlett at Generals of WWII.

References[edit | edit source]

External sources[edit | edit source]


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