Air Defence of Great Britain#1925 to 1936

The ADGB was created as a command in 1925 as a result of the 1923 recommendation of the Steel–Bartholomew Committee, including their recommendation to transfer responsibility for home air defence from the War Office to the Air Ministry.Air Commodore J. M. Steel of the Air Ministry and with Colonel W. H. Bartholomew of the War Office It main initial elements were:

• The RAF's Metropolitan Air Force, initially comprising 25 squadrons (9 fighter), soon expanding to 52 squadrons (17 fighter)
• 264 heavy AA guns (Royal Artillery) and 672 searchlights (Royal Engineers)
• The new part-time volunteer Observer Corps

ADGB was organised into three defensive zones:

• Inner Artillery Zone (IAZ), over London.
• Air Fighter Zone (AFZ), divided into two areas controlling regular squadrons, the Wessex Bombing Area and the Fighting Area.
• Outer Artillery Zone (OAZ), a narrow belt along the coast from Suffolk to Sussex.{{Harvnb|Routledge|1994|p=41.}}"p. 62" [http://www.raf.mod.uk/rafcms/mediafiles/F21C6257_ABD1_7132_E8716B8C2DA98948.pdf A Short History of the Royal Air Force, Chapter 2, The Inter War Years, 1919–1939] {{Webarchive|url=https://web.archive.org/web/20111012002529/http://www.raf.mod.uk/rafcms/mediafiles/F21C6257_ABD1_7132_E8716B8C2DA98948.pdf |date=12 October 2011 }}

In 1936, ADGB was abolished; the Bombing Area becoming Bomber Command and the Fighting Area becoming Fighter Command and remaining responsible for the ADGB function.{{Harvnb|Routledge|1994|pp=44–46.}}"p. 87" [http://www.raf.mod.uk/rafcms/mediafiles/F21C6257_ABD1_7132_E8716B8C2DA98948.pdf A Short History of the Royal Air Force, Chapter 2, The Inter War Years, 1919–1939] {{Webarchive|url=https://web.archive.org/web/20111012002529/http://www.raf.mod.uk/rafcms/mediafiles/F21C6257_ABD1_7132_E8716B8C2DA98948.pdf |date=12 October 2011 }}"British Military Aviation in 1936" [http://www.rafmuseum.org.uk/milestones-of-flight/british_military/1936.cfm RAF Museum] {{Webarchive|url=https://web.archive.org/web/20101206194224/http://www.rafmuseum.org.uk/milestones-of-flight/british_military/1936.cfm |date=6 December 2010 }} The OAZ was abolished and the AFZ expanded. The guns from the OAZ were used for port and base defence and were added to the London defences. The changing threat meant that AA defences were needed for many more potential targets in the British Isles, notably industries important for war production. The AA component became the 1st Anti-Aircraft Division and in 1937 the 2nd Anti-Aircraft Division was formed to defend the Midlands, with Anti-Aircraft Command created to replace the previous Army arrangements.{{Harvnb|Routledge|1994|pp=58–61}}

In 1937, light AA guns were added, the RAF's view that small-calibre artillery were unsuitable having been finally overturned. In 1940, searchlights were transferred from the Royal Engineers to the Royal Artillery. Unrotated Projectile (rocket) batteries were deployed at the beginning of the war. At its peak from 1941–1942, AA Command comprised I, II and III Anti-Aircraft Corps with twelve AA divisions, comprising several hundred regiments. GOC-in-C AA Command for most of the war was General Sir Frederick Pile, the equal in rank of his 'superior' AOC-in-C Fighter Command.{{Harvnb|Routledge|1994|pp=64–67.}}

;1943

ADGB was resurrected in 1943 for the rump of Fighter Command defending the United Kingdom after the formation of the RAF Second Tactical Air Force in 1943 and AA Command."British Military Aviation in 1943 – Part 4" [http://www.rafmuseum.org.uk/milestones-of-flight/british_military/1943_4.cfm RAF Museum] {{webarchive|url=https://web.archive.org/web/20110213210109/http://www.rafmuseum.org.uk/milestones-of-flight/british_military/1943_4.cfm |date=13 February 2011 }} It was Fighter Command in all but name, and this was finally reflected in 1944 with a return to the previous name."British Military Aviation in 1944 – Part 5" [http://www.rafmuseum.org.uk/milestones-of-flight/british_military/1944_5.cfm RAF Museum] {{Webarchive|url=https://web.archive.org/web/20110213210141/http://www.rafmuseum.org.uk/milestones-of-flight/british_military/1944_5.cfm |date=13 February 2011 }}

Air Officers Commanding-in-Chief included:{{Cite web |url=http://www.rafweb.org/Cmd_H2.htm |title=Air of Authority – A History of RAF Organisation – RAF Commands formed between 1920–1935 |access-date=23 January 2011 |archive-url=https://web.archive.org/web/20110111202940/http://www.rafweb.org/Cmd_H2.htm |archive-date=11 January 2011 |url-status=dead }}

• List of Royal Air Force commands

{{reflist}}

{{refbegin}}

• {{cite book |last=Routledge |first=Brigadier N. W. |title=A History of the Royal Regiment of Artillery–Anti-Aircraft Artillery, 1914–55 |location=London |publisher=Brassey's |year=1994 |isbn=1-85753-099-3}}

{{refend}}

• {{cite book |last=Delve |first=Ken |title=The Source Book of the RAF |year=1994 |publisher=Airlife Publishing |location=Shrewsbury |isbn=1-85310-451-5}}

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{{The Blitz}}

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Category:Royal Air Force commands

Category:Military units and formations established in 1925

Category:Military units and formations established in 1943

Category:1925 establishments in the United Kingdom