Divisional Divisions under the command were: •
1st Anti-Aircraft Division – Existing division at start of the war, headquartered in
Uxbridge. •
2nd Anti-Aircraft Division – Existing division at the start of the war, headquartered at
RAF Hucknall,
Nottinghamshire. •
3rd Anti-Aircraft Division – Existing division at the start of the war, headquartered in
Edinburgh. •
4th Anti-Aircraft Division – Existing division at the start of the war, headquartered in
Chester. •
5th Anti-Aircraft Division – Existing division at the start of the war, headquartered in
Reading. •
6th Anti-Aircraft Division – Existing division at the start of the war, headquartered in Uxbridge. •
7th Anti-Aircraft Division – Existing division at the start of the war, headquartered in
Newcastle upon Tyne. •
8th Anti-Aircraft Division – Formed November 1940 covering South West England, headquartered in
Bristol. •
9th Anti-Aircraft Division – Formed November 1940 covering South Wales, headquartered in
Cardiff. •
10th Anti-Aircraft Division – Formed November 1940 covering
Yorkshire and the
Humber Estuary. •
11th Anti-Aircraft Division – Formed November 1940 covering the West and Central Midlands. •
12th Anti-Aircraft Division – Formed November 1940 covering southwestern Scotland. AA Command was also responsible for the Orkney and Shetland Defences (OSDEF).
Corps At the end of 1940, the Command created three
Corps to supervise this expanding organisation: •
I Anti-Aircraft Corps covering the South (1, 5, 6, 8 and 9 AA Divisions) corresponding with
10 and
11 Groups RAF •
II Anti-Aircraft Corps covering the Midlands (2, 4, 10 and 11 AA Divisions) corresponding with
9 and
12 Groups RAF •
III Anti-Aircraft Corps covering the North (3, 7 and 12 AA Divisions, and OSDEF) corresponding with
13 and
14 Groups RAF Groups In October 1942, the corps and divisions were abolished and replaced by seven flexible AA Groups more closely aligned with the operational structure of Fighter Command: •
1st Anti-Aircraft Group covering London •
2nd Anti-Aircraft Group covering the
Solent, South-East England and southern East Anglia (1st and 2nd AA Groups coincided with
No. 11 Group RAF) •
3rd Anti-Aircraft Group covering South-West England and South Wales (coinciding with
No. 10 Group RAF) •
4th Anti-Aircraft Group covering North Wales and North-West England (coinciding with
No. 9 Group RAF) •
5th Anti-Aircraft Group covering northern East Anglia and the East Coast as far as
Scarborough, North Yorkshire (coinciding with
No. 12 Group RAF) •
6th Anti-Aircraft Group covering North-East England and Scotland (coinciding with
No. 13 Group RAF (except Northern Ireland) and
No. 14 Group RAF) •
7th Anti-Aircraft Group covering Northern Ireland • the
Orkney and Shetland Defences remained separate ==Later events==