1 Anti-Aircraft Corps (United Kingdom)

1 Anti-Aircraft Corps
Active 11 November 1940–30 September 1942
Country  United Kingdom
Branch British Army
Type Anti-Aircraft corps
Role Air Defence
Part of Anti-Aircraft Command
Garrison/HQ London
Engagements The Blitz
Baedeker Blitz
Battle of the Fringe Targets

1 Anti-Aircraft Corps (1 AA Corps) was a high-level formation of Britain's Anti-Aircraft Command from 1940 to 1942. It defended Southern England and Wales during the Blitz and the middle years of World War II.

Origin

AA Command had been created in 1938 to control the Territorial Army's rapidly-expanding anti-aircraft (AA) organisation within Air Defence of Great Britain. On the outbreak of war in September 1939, it commanded seven AA Divisions, each with several AA Brigades, disposed around the United Kingdom.[1][2][3][4] Continued expansion made this organisation unwieldy, so in November 1940 – during the Luftwaffe's nightly Blitz on London and other British cities – five further AA Divisions were organised, and all the divisions grouped under three corps headquarters directly subordinate to AA Command. The largest of these was 1 AA Corps, covering Southern England and South Wales, which by February 1941 comprised five AA divisions and 20 brigades. Its boundaries roughly coincided with 10 Group and 11 Group of RAF Fighter Command.[1][4][5]

Order of Battle

1 AA Corps had the following organisation from February 1941:[6][7][8][9][10][11]

Corps HQ: London

General Officer Commanding:[4][12]

1st AA Division

Became independent, directly under AA Command, during April 1942

5th AA Division

6th AA Division

8th AA Division

9th AA Division

Intermediate Ammunition Depots

Equipment Ammunition Magazines

Operations

As soon as it was organised, 1 AA Corps had to deal with the heaviest weight of the 1940–41 Blitz on London and cities such as Bristol, Cardiff, Plymouth, Portsmouth, Southampton and Swansea. It was responsible for the London Inner Artillery Zone and the Thames North and South AA belts, together with major Gun Defence Areas (GDAs) around Dover, the Solent, Plymouth, Bristol and South Wales, with 'Indicator Belts' and 'Killer Belts' of searchlights in between, the former working with the GDAs and RAF Sectors, the latter with the night fighters in the air. Redeployment was called for in 1942 when the Luftwaffe began the 'Baedeker raids' on cities such as Bath, Canterbury and Exeter, that had previously warranted little AA defence. Later, further redeployment, particularly of light AA guns, was necessary when the south coast towns of England were attacked by 'hit and run' raids, mainly by single-engined fighter-bombers, often evading radar detection, in what became known as the 'Battle of the Fringe Targets'.[1][4][15]

Disbandment

The AA Corps and Divisional HQs were disbanded in October 1942 and a replaced by a more flexible system of AA Groups, each aligned with a Group of RAF Fighter Command. The area covered by 1 AA Corps became the responsibility of three of the new groups: 1st AA Group (London) and 2nd AA Group (South East England) with 11 Group RAF, and 3rd AA Group (South West England and South Wales) with 10 Group RAF.[1][4][16]

Notes

  1. 1 2 3 4 Sir Frederick Pile's despatch.
  2. ↑ Routledge, p. 65.
  3. ↑ Farndale, p. 5.
  4. 1 2 3 4 5 Robert Palmer, A Concise History of Anti-Aircraft Command (History and Personnel) at British Military History.
  5. ↑ Routledge, p. 394.
  6. ↑ Routledge, p. 394 & Map 34; Table LXV, p. 396.
  7. ↑ Farndale, Annex D, pp. 257–9.
  8. ↑ AA Command structure at British Military History.
  9. ↑ 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.
  10. ↑ Order of Battle of Non-Field Force Units in the United Kingdom, Part 27: AA Command, 2 December 1941, TNA file WO 212/80.
  11. ↑ Order of Battle of Non-Field Force Units in the United Kingdom, Part 27: AA Command, 14 May 1942, TNA file WO 212/81.
  12. ↑ Farndale, Annex J.
  13. ↑ Wason at Generals of World War II
  14. ↑ Cadell at Generals of World War II
  15. ↑ Routledge, pp. 387–404 & Map 35.
  16. ↑ Routledge, p. 401 & Map 36.

References

External sources

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