Numbered 1-12 for UK Home defence.
Does anyone have any further details on these units?
1st, formed 15/12/35. A TA unit it covered London during the Blitz, and was the first unit to use radar for gun control
2nd, formed 10/12/36. Another TA unit, coveredthe area NW of a line bewteen Harwich and Nth London to the Solent. Later it covered the East Midalnds and NE Anglia
3rd, raised in September'38, a Scottish TA unit it covered Scotland.
4th, raised in September'38. it covered the Birmingham area, but moved later this commitment was more focused towards Manchester & Liverpool
5th, again raised in September'38, this division covered Southampton and Portsmouth area's
6th, formed in September 1939, the division covered the London approaches
7th, formed also in the September of '39, the division covered the Tyne-Tees (Newcastle) area
8th, only formed in November'40, this division provided cover to south Wales and the West Country around Plymouth, Bristol and Exeter.
9th, formed along with the 8th to cover Cardiff and the ports of south Wales
10th covered the Yorkshire coastline and Hull
11th, was formed just before the devastating raid on Coventry in 1940. This division covered the Black Country.
12th, was raised in November 1940, and provided cover over the Clyde estuary and Belfast/Northern Ireland.
I have some general info concerning AA Corps. which I'll post later.