Air Defence Great Britain
Gun Defended Areas (including maps of Heavy Anti-Aircraft sites)
Originally formed in 1925 as an RAF Command, Air Defence Great Britain consisted of Fighter Command and Royal Artillery/Royal Engineer anti-aircraft units. It was abolished in 1936 with responsibilites shared between Fighter Command and Anti-Aircraft Command. At first the Anti-Aircraft Divisions came under HQ Anti-Aircraft Command.
In Nov 40 the 3 Anti-Aircraft Corps were introduced.
Finally in Oct 42 the Corps and Divisions were replaced by 7 Anti-Aircraft Groups.
HQ Anti-Aircraft Command (This badge was adopted by all Anti-Aircraft formations in 1943)
1 Anti-Aircraft Corps
HQ Uxbridge, Middlesex
| 1 AA Division | 5 AA Division | 6 AA Division | 8 AA Division | 9 AA Division |
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| London Formed 1935 |
Portsmouth & Southampton Formed 1938 |
Thames Estuary Essex & North Kent Formed 1939 |
Plymouth Bristol & Exeter Formed 1940 |
Cardiff & South Wales Ports Formed 1940 |
2 Anti-Aircraft Corps
HQ Nottingham, Nottinghamshire
| 2 AA Division | 4 AA Division | 10 AA Division | 11 AA Division |
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| East Midlands & North East Anglia Formed 1936 |
Birmingham then Manchester & Liverpool Formed 1938 |
Humber Formed 1940 |
Birmingham Coventry & West/Central Midlands Formed 1940 |
3 Anti-Aircraft Corps
HQ Edinburgh, Scotland
| 3 AA Division | 7 AA Division | 12 AA Division | OSDEF |
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| Scotland Formed 1938 |
Tyne-Tees Formed 1939 |
South West Scotland & Northern Ireland Formed 1940 |
Orkney & Shetland Defences |