37th Anti-Aircraft Brigade (United Kingdom) explained

Unit Name:37th Anti-Aircraft Brigade
63 (North London) Anti-Aircraft Brigade
33 Artillery Brigade
Dates:1 May 1938–1967
Country: United Kingdom
Branch: Territorial Army
Type:Anti-Aircraft Brigade
Artillery Brigade
Role:Air Defence
Command Structure:6th AA Division
2 AA Group
1 AA Group
9 AA Group
Garrison:Edmonton
Shepherd's Bush
Battles:Battle of Britain
The Blitz
Baby Blitz
Operation Diver
Notable Commanders:Brig Lancelot Perowne

The 37th Anti-Aircraft Brigade was an air defence formation of Britain's Territorial Army (TA) formed just before the outbreak of the Second World War. It was engaged in defending the Thames Estuary during the war, and continued to form part of Anti-Aircraft Command in the postwar era.

Origin

As international tensions rose in the late 1930s, Britain's Anti-Aircraft (AA) defences were strengthened with new Royal Artillery (RA) regiments. 37th AA Brigade was raised on 1 May 1938, with its HQ at Edmonton in North London, to control some of these AA units in the London area. It was commanded by Brigadier Edward William Gravatt Wilson, MC, appointed 29 September 1938, who after he left in 1940 went on to be AA Defence Commander (AADC) Egypt.[1] [2] [3] [4] In 1939 37th AA Brigade joined the newly formed 6th AA Division based at Uxbridge, which had responsibility for air defence of the Thames Estuary, Essex and North Kent, and the approaches to London.

Order of Battle 1939

On formation, 37th AA Bde had the following composition:[5] [6]

Mobilisation

Anti-Aircraft Command, which had been formed within the Territorial Army earlier in the year, mobilised in late August 1939 and was at its stations before war was declared on 3 September. By then, a further newly formed regiment had been added to 37th AA Bde's order of battle:[15] [16]

Phoney War

37th AA Bde deployed and operated a layout from Dagenham to Thorpe Bay in Essex, along the north side of the Thames Estuary, known as 'Thames North'. Thames North had a planned layout of 20 HAA sites, of which only half were occupied by September 1940. It also contained a number of Vital Points (VPs) where LAA guns were deployed, including Purfleet (ammunition stores, including the entire AA ammunition supply for the London area[18]), Tilbury (docks), Thameshaven and Coryton Refinery (oil refineries), and a major fighter airfield at RAF Hornchurch.[19] All equipment was short, especially 40 mm Bofors guns for the LAA sites: Purfleet started the war with one quadruple Vickers gun, later receiving five Bofors batteries.[18] [20]

Opportunities for action were rare during the Phoney War, but on the night of 22/23 November 1939 the HAA guns of 37 AA Bde ('Thames North') combined with those of 28 (Thames & Medway) AA Bde on the other bank of the river ('Thames South') to engage at least two enemy mine-laying aircraft that had strayed into the mouth of the Estuary. One wrecked aircraft was found on the marshes.[21]

On 26 December 1939, 79th (Hertfordshire Yeomanry) HAA Rgt was ordered to prepare to proceed overseas as a Base Defence Regiment for the British Expeditionary Force. The regiment was withdrawn from AA Command on 16 January 1940 and in February and March it was deployed around Le Havre. A fortnight after the Dunkirk evacuation, the regiment was evacuated from St Nazaire. It did not return to 37 AA Bde.[11] [12] [22] [23] [24] [25]

In April 1940, 82nd (Essex) AA Rgt was detached from the brigade and served in the Norway Campaign; after evacuation from Norway it was sent to join the garrison of Gibraltar.[14] [8] [26] [27]

In the summer of 1940, all the RA units equipped with the older 3-inch or newer 3.7-inch AA guns were designated as Heavy AA (HAA) regiments to distinguish them from the newer Light AA (LAA) regiments appearing in the order of battle.

Battle of Britain

By 11 July 1940, the Thames North AA layout operated by 37 AA Bde had a total of 46 HAA guns (3.7-inch and 4.5-inch).[28]

The brigade was heavily engaged throughout the Battle of Britain. On 22 August, for example, a mass raid flew up the Thames Estuary to attack RAF Hornchurch on the Essex shore: the raid was broken up by 37 and 28 AA Bdes, and then the fighters of No. 11 Group RAF attacked. Follow-up raids were marked for the fighters by 'pointer' rounds of HAA fire. On 2 September another mass raid arrived over the Medway and flew up the Thames towards Hornchurch. They came under heavy fire from the 3.7s and 4.5s of 28 and 37 AA Bdes and 15 were shot down before the fighters took over. On 7 September heavy raids up the estuary attacked oil wharves at Thameshaven, Tilbury Docks and Woolwich Arsenal: a total of 25 aircraft were destroyed by AA guns and fighters.[29] [30]

On 15 September, remembered as the climax of the battle, 220 bombers attacked London in the morning despite heavy casualties inflicted by the RAF fighters. More attacks came in the afternoon and the AA guns around London, particularly 37 AA Bde, were continuously in action. Between the guns and fighters, the Luftwaffe lost 85 aircraft that day, an unsustainable rate of loss.[29] [31]

The Blitz

After 15 September the intensity of Luftwaffe day raids declined rapidly, and it began a prolonged night bombing campaign over London and industrial towns (The Blitz).[32] This meant that 37 AA Bde was in action night after night as the bomber streams approached the London Inner Artillery Zone, but even with the assistance of searchlights (S/Ls), the effectiveness of HAA fire and fighters was greatly diminished in the darkness.[33]

Order of Battle 1940–41

During the Battle of Britain and subsequent London Blitz, 37 AA Bde had the following order of battle.[34] [35] [36] [37] [38]

Mid-War

The Blitz ended in May 1941, but occasional raids continued. Newly-formed AA units joined the division, the HAA units increasingly being 'mixed' ones into which women of the Auxiliary Territorial Service were integrated. At the same time, experienced units were posted away for service overseas. By December 1941, 37 AA Bde only had 75 HAA Rgt under its command. However, 29 (East Anglian) AA Bde, which had controlled 6 AA Division's S/L and LAA units in Essex, was disbanded in February 1942 and 37 AA Bde took over its responsibilities as far north as The Naze. This continual turnover of units, which accelerated in 1942 with the preparations for Operation Torch and the need to relocate guns to counter the Baedeker Blitz and the Luftwaffes hit-and-run attacks against South Coast towns.[43] [44] [45]

A reorganisation of AA Command in October 1942 saw the AA divisions disbanded and replaced by a number of AA Groups more closely aligned with the groups of RAF Fighter Command. 6 AA Division merged into 2 AA Group covering South East England outside the London Inner Artillery Zone and cooperating with No. 11 Group.[34] [43] [46] [47] [48]

Order of Battle 1941–43

During this period the brigade was composed as follows (temporary attachments omitted):[49] [50] [51]

Late War

In 1943 Brig Lancelot Perowne transferred from 69 AA Bde to take command of 37 AA Bde. He was a searchlight specialist from the Royal Engineers. In November 1943 he was sent to India to take over 23rd Infantry Brigade, which was training for Chindit operations, and commanded it in the Burma Campaign.[80] [81] [82]

Order of Battle 1943–44

In the summer of 1943, 37 AA Bde came under the command of 1 AA Group, which now controlled the 'Thames North' defences. It gave up its existing regiments and acquired new ones from within 1 AA Group, so that by early September it had the following order of battle.[83]

'Z' Regiments were equipped with Z Battery rocket launchers; in April 1944 they were renamed AA Area Mixed Rgts.

There were few changes in the brigade's order of battle over the next year:

By March 1944 AA Command was being forced to release manpower for the planned Allied invasion of continental Europe (Operation Overlord), and a number of units and subunits were disbanded.

Operation Diver

The Luftwaffe began a new bombing campaign against London in early 1944 (the Baby Blitz). By now the night fighter defences, the London Inner Artillery Zone (IAZ) and Thames Estuary defences were well organised and the attackers suffered heavy losses for relatively small results. More significant were the V-1 flying bombs, codenamed 'Divers', which began to be launched against London from Northern France soon after D-Day. These presented AA Command's biggest challenge since the Blitz. Defences had been planned against this new form of attack (Operation Diver), but it presented a severe problem for AA guns, and after two weeks' experience AA Command carried out a major reorganisation, stripping guns from the London IAZ and other parts of the UK and repositioning them along the South Coast to target V-1s coming in over the English Channel, where a 'downed' V-1 would cause no damage. As the launching sites were overrun by 21st Army Group, the Luftwaffe switched to air-launching V-1s over the North Sea, so 1 AA Group had to redeploy again to the east of London.[47] [87]

New HAA sites had to be quickly established, with static guns mounted on ingenious 'Pile Platforms' (named after the commander of AA Command, Sir Frederick Pile) and thousands of huts moved and re-erected to shelter the crews as winter approached. AA Command formed a new 9 AA Group to take over the 'Diver' defences in East Anglia and 37 AA Bde moved to this new formation in December 1944. At this time, its order of battle was:[88] [87]

Order of Battle 1944–45

By October 1944, the brigade's HQ establishment was 9 officers, 8 male other ranks and 25 members of the ATS, together with a small number of attached drivers, cooks and mess orderlies (male and female). In addition, the brigade had a Mixed Signal Office Section of 1 officer, 5 male other ranks and 19 ATS, which was formally part of the Group signal unit.[99]

After VE Day, 9 AA Group was disbanded and 37 AA Bde returned to 1 AA Group. AA Command was rapidly run down and many units disbanded as men and women were demobilised. By late June 1945, 37 AA Bde's order of battle was as follows:[88]

Postwar

When the TA was reconstituted on 1 January 1947, 37 AA Bde's Regular Army units reformed 11 AA Bde at Shoeburyness, while the TA portion was renumbered as 63 (North London) AA Brigade, with its HQ at London NW1 (still in 1 AA Group), with the following composition:[1] [101] [102]

When AA Command was disbanded in 1955, all of 63 AA Bde's units were also disbanded, but the brigade HQ was retained, first designated as X AA Bde, then redesignated as 33 AA Bde, with its HQ at Shepherd's Bush. It had the following composition:[1] [106]

It may have formed part of London District.

On 1 May 1961, 33 AA Bde was amalgamated with HQ 56th (London) Infantry Division as 33 Artillery Brigade. It was disbanded when the TA was reduced in 1967.[1] [106]

Preserved sites

As an example of the defences operated under 37 AA Bde, HAA site TN13 (Thames North 13) still survives at Bowaters Farm, about 1200 yards (1100 m) from the coastal defence battery at Coalhouse Fort, East Tilbury. It was begun in August 1939 as a sandbag battery for mobile 3.7-inch guns. By mid-1940 this had been replaced by four permanent emplacements for 4.5-inch guns. Later in the war four further emplacements for radar-controlled 5.25-inch guns were added. The HAA guns were supported by an AA searchlight and sound-locator stationed on the jetty at Coalhouse Fort. This exposed position was defended by a Lewis gun, but was frequently strafed by enemy fighters. A second AA searchlight was positioned on the old river wall near the north caponier of Coalhouse Fort. (There were separate searchlights installed at the fort to direct the coastal guns.)[112] [113]

Memorial

There is a memorial to 37 AA Bde at St Augustine's Church, Thorpe Bay, Southend-on-Sea, which reads:[114]

TO COMMEMORATE/ THE ASSOCIATION WITH THIS CHURCH OF THE/ OFFICERS, NON-COMMISSIONED OFFICERS AND/ OTHER RANKS OF THE ROYAL REGIMENT OF/ ARTILLERY AND THE AUXILIARY TERRITORIAL/ SERVICE FROM THE GUNSITE NEARBY WHICH WAS/ MANNED CONTINUOUSLY BY PERSONNEL FROM/ THE 37TH ANTI-AIRCRAFT BRIGADE THROUGHOUT/ THE WORLD WAR 1939 - 1945

References

External sources

Notes and References

  1. Frederick, pp. 1048–51.
  2. Monthly Army List, May 1939.
  3. Farndale, Annex J.
  4. http://www.generals.dk/general/Wilson/Edward_William_Gravatt/Great_Britain.html Wilson at Generals of WWII.
  5. Web site: 6 AA Division 1939 at British Military History. . 6 August 2015 . https://web.archive.org/web/20150923221143/http://www.britishmilitaryhistory.co.uk/webeasycms/hold/uploads/bmh_document_pdf/6-Anti-Aircraft-Division-1939-.pdf . 23 September 2015 . dead . dmy-all .
  6. Routledge, Table LVIII, p. 376.
  7. https://ra39-45.co.uk/units/heavy-anti-aircraft-regiments/59-the-essex-regiment-heavy-anti-aircraft-regiment-rata 59 HAA Rgt at RA 39–45.
  8. Litchfield, pp. 70–1.
  9. Web site: 61 HAA Rgt at RA 39–45..
  10. Litchfield, pp. 177–8.
  11. https://ra39-45.co.uk/units/heavy-anti-aircraft-regiments/79-hertfordshire-yeomanry-heavy-anti-aircraft-regiment-rata 79 HAA Rgt at RA 39–45.
  12. Litchfield, p. 104.
  13. Sainsbury, pp. 27–34.
  14. Web site: 82 HAA Rgt at RA 39–45. .
  15. http://www.patriotfiles.com/index.php?name=Sections&req=viewarticle&artid=6697&page=1 AA Command 3 September 1939 at Patriot Files
  16. Routledge, Table LX, p. 378.
  17. Web site: 90 HAA Rgt at RA 39–45..
  18. Osborne, p. 101.
  19. Routledge, p. 388.
  20. Routledge, p. 59.
  21. Routledge, pp. 374–5.
  22. Sainsbury, pp. 51–71.
  23. Joslen, p. 462.
  24. http://www.ibiblio.org/hyperwar/UN/UK/UK-NWE-Flanders/UK-NWE-Flanders-I.html Ellis, Appendix I.
  25. Sainsbury, pp. 50–71.
  26. Derry, Appendix B.
  27. Joslen, p. 461.
  28. Farndale, p. 106.
  29. Routledge, pp. 385–6.
  30. Farndale, p. 109.
  31. Farndale, p. 110.
  32. Collier, Appendices XXX–XXXII.
  33. Routledge, pp. 387–95.
  34. Web site: 6 AA Division 1940 at British Military History. . 6 August 2015 . https://web.archive.org/web/20150923221145/http://www.britishmilitaryhistory.co.uk/webeasycms/hold/uploads/bmh_document_pdf/6-Anti-Aircraft-Division-1940-.pdf# . 23 September 2015 . dead . dmy-all .
  35. https://ra39-45.co.uk/units/air-defence-great-britain/6-anti-aircraft-division 6 AA Division at RA 39–45.
  36. Routledge, Table LXV, p. 396.
  37. Farndale, Annex D, p. 258.
  38. 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.
  39. Web site: 75 HAA Rgt at RA 39–45..
  40. Litchfield p. 106.
  41. Web site: 17 LAA Rgt at RA 39–45..
  42. Litchfield, pp. 68–9.
  43. Routledge, pp. 399–404.
  44. 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.
  45. 29 AA Brigade War Diary 1942, TNA file WO 166/7386.
  46. http://www.britishmilitaryhistory.co.uk/webeasycms/hold/uploads/bmh_document_pdf/Anti-Aircraft-Corps-History-Personnel.pdf Robert Palmer, A Concise History of Anti-Aircraft Command (History and Personnel) at British Military History.
  47. https://www.thegazette.co.uk/London/issue/38149/page/5973 Pile's despatch.
  48. Web site: AA Command 1940 at British Military History . 21 July 2017 . https://web.archive.org/web/20141205063952/http://www.britishmilitaryhistory.co.uk/documents.php?aid=171&nid=2&start=5 . 5 December 2014 . dead . dmy-all .
  49. 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.
  50. Order of Battle of Non-Field Force Units in the United Kingdom, Part 27: AA Command, 1 October 1942, with amendments, TNA file WO 212/82.
  51. Order of Battle of Non-Field Force Units in the United Kingdom, Part 27: AA Command, 13 March 1943, with amendments, TNA file WO 212/83.
  52. Joslen. p. 465.
  53. Routledge, Table XXX, p. 188.
  54. Web site: 71 HAA Rgt at RA 39–45..
  55. Litchfield, p. 283.
  56. Joslen, p. 488.
  57. Web site: 84 HAA Rgt at RA 39–45..
  58. 86 (HAC) HAA Rgt War Diary, 1942, TNA file WO 166/7460.
  59. Order of Battle of the Field Force in the United Kingdom, Part 3: Royal Artillery (Non-Divisional Units), 18 February 1943, with amendments, TNA file WO 212/9.
  60. Web site: 86 HAA Rgt at RA 39–45..
  61. Litchfield, p. 149.
  62. Joslen, p. 484.
  63. Web site: 102 HAA Rgt at RA 39–45..
  64. Litchfield, p. 313.
  65. Joslen, p. 466.
  66. Web site: 104 HAA Rgt at RA 39–45..
  67. Web site: 121 HAA Rgt at RA 39–45..
  68. Web site: 124 HAA Rgt at RA 39–45..
  69. Web site: 131 HAA Rgt at RA 39–45..
  70. Farndale, Annex M.
  71. Web site: 167 HAA Rgt at RA 39–45..
  72. Litchfield, p. 310.
  73. https://ra39-45.co.uk/units/light-anti-aircraft-regiments/31-light-anti-aircraft-regiment-rata 31 LAA Rgt at RA 39–45.
  74. Litchfield, p. 302.
  75. https://ra39-45.co.uk/units/light-anti-aircraft-regiments/86-light-anti-aircraft-regiment-rata 86 LAA Rgt at RA 39–45.
  76. Web site: 140 LAA Rgt at RA 39–45..
  77. Web site: 143 LAA Rgt at RA 39–45..
  78. https://ra39-45.co.uk/units/searchlight-regiments/28-essex-searchlight-regiment-rata 28 S/L Rgt at RA 39–45.
  79. Litchfield, p. 69.
  80. http://www.generals.dk/general/Perowne/Lancelot_Edgar_Connop_Mervyn/Great_Britain.html Perowne at Generals of World War II.
  81. Web site: Thomas Joesbury, '60 and 80 Column Chindits 1944' at Burma Star Association. . 20 May 2018 . 20 May 2018 . https://web.archive.org/web/20180520054815/https://www.burmastar.org.uk/stories/60-and-80-column-chindits-1944/ . dead .
  82. Capt Lancelot Edgar Conhop Mervyn Perowne, 'The training of the anti-aircraft searchlight spotter', The Royal Engineers Journal, September 1938, listed in https://aim25.com/cgi-bin/vcdf/detail?coll_id=210&inst_id=21&nv1=browse&nv2=sub.
  83. Order of Battle of AA Command, 1 August 1943, with amendments, TNA file WO 212/84.
  84. Web site: 184 HAA Rgt at RA 39–45..
  85. https://ra39-45.co.uk/units/anti-aircraft-z-regiments/6-anti-aircraft-z-regiment-ra 6 AA 'Z' Rgt at RA 39–45.
  86. Web site: 137 LAA Rgt at RA 39–45..
  87. Routledge pp. 408–21.
  88. Order of Battle of AA Command, 27 April 1944, with amendments, TNA file WO 212/85
  89. Web site: 142 HAA Rgt at RA 39–45..
  90. Web site: 154 HAA Rgt at RA 39–45..
  91. Web site: 155 HAA Rgt at RA 39–45..
  92. Web site: 157 HAA Rgt at RA 39–45..
  93. Web site: 159 HAA Rgt at RA 39–45..
  94. Web site: 189 HAA Rgt at RA 39–45..
  95. Web site: 197 HAA Rgt at RA 39–45..
  96. https://ra39-45.co.uk/units/light-anti-aircraft-regiments/81-light-anti-aircraft-regiment-rata 81 LAA Rgt at RA 39–45.
  97. Web site: 97 LAA Rgt at RA 39–45..
  98. Web site: 131 LAA Rgt at RA 39–45..
  99. AA Command Organisation Table, October–November 1944, TNA file WO 212/148.
  100. Web site: 4 HAA Rgt at RA 39–45..
  101. http://british-army-units1945on.co.uk/territorial-army-royal-artillery/aa-brigades-67-106.html 67–106 AA Bdes at British Army Units 1945 on.
  102. Litchfield, p. 333.
  103. http://british-army-units1945on.co.uk/territorial-army-royal-artillery/444-473-regiments.html 444–473 Rgts RA at British Army Units 1945 on.
  104. Sainsbury, pp. 227–38.
  105. http://british-army-units1945on.co.uk/territorial-army-royal-artillery/474-519-regiments.html 474–519 Rgts RA at British Army Units 1945 on.
  106. http://british-army-units1945on.co.uk/territorial-army-royal-artillery/aa-brigades-67-106.html 30–66 AA Bdes at British Army Units 1945 on.
  107. Litchfield, p. 164.
  108. http://british-army-units1945on.co.uk/territorial-army-royal-artillery/266-288-regiments.html 266–288 Rgts RA at British Army Units 1945 on.
  109. Litchfield, p. 185.
  110. Litchfield, p. 168–9.
  111. http://british-army-units1945on.co.uk/territorial-army-royal-artillery/564-591-regiments.html 564–591 Rgts RA at British Army Units 1945 on.
  112. Osborne, pp. 102–3.
  113. Smith, pp. 26–7.
  114. http://www.iwm.org.uk/memorials/item/memorial/45804 War Memorials Archive Ref 45804.

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