12 Anti-Aircraft Division

12 AA Div

 

Created on the 1 November 1940, it took responsibility for Western Scotland and Northern Ireland from 3 Anti-Aircraft Division. Like the other Anti-Aircraft Corps and Divisions, it was disbanded and replaced on 1 October 1942 by a new Anti-Aircraft Group structure.

 

12 Anti-Aircraft Division amalgamated with 3 and 7 Anti-Aircraft Divisions to form the 6 Anti-Aircraft Group, based at Edinburgh. Northern Ireland became the 7 Anti-Aircraft Group based at Belfast

 

 

 

HQ Glasgow

 

Order of Battle 1940–41

 

3 Anti-Aircraft Brigade – Northern Ireland District
102 Heavy Anti-Aircraft Regiment
66 Light Anti-Aircraft Regiment – new unit raised Dec 40 from Light Anti-Aircraft batteries of 102 Heavy Anti-Aircraft Regiment
90 Searchlight Regiment – new unit raised Mar 41
91 Searchlight Regiment – new unit raised Mar 41

 

42 Anti-Aircraft Brigade – Clyde Estuary
83 (Blythswood) Heavy Anti-Aircraft Regiment
100 Heavy Anti-Aircraft Regiment
111 Heavy Anti-Aircraft Regiment – new unit raised Oct 40
123 Heavy Anti-Aircraft Regiment – new unit raised Feb 41
18 Light Anti-Aircraft Regiment
60 Light Anti-Aircraft Regiment – new unit raised November 1940; to the 63 Anti-Aircraft Brigade by May 41

 

63 Anti-Aircraft Brigade – West Scotland
60 Light Anti-Aircraft Regiment – from 42 Anti-Aircraft Brigade by May 41
56 (Cameronians) Searchlight Regiment – to the 3 Anti-Aircraft Division by Feb 41
57 (Cameronians) Searchlight Regiment
66 Searchlight Regiment – to the 8 Anti-Aircraft Division by May 41
86 Searchlight Regiment – new unit raised Jan 41
11 Anti-Aircraft Z Regiment – Divisional Z Battery rocket unit formed Jan 41

 

Order of Battle 1941–42

 

3 Anti-Aircraft Brigade
1 Heavy Anti-Aircraft Regiment – from 4 Anti-Aircraft Division Jul 41
102 Heavy Anti-Aircraft Regiment – to the 6 Anti-Aircraft Division by Oct 42
111 Heavy Anti-Aircraft Regiment – from 42 Anti-Aircraft Brigade Jun 41
66 Light Anti-Aircraft Regiment – to 6 Anti-Aircraft Division Jun 42
81 Light Anti-Aircraft Regiment – from 42 Anti-Aircraft Brigade by Oct 42
84 Light Anti-Aircraft Regiment – from 63 Anti-Aircraft Brigade Jun 42; to 9 Anti-Aircraft Division by Oct 42
90 Searchlight Regiment
91 Searchlight Regiment – converted into 114 Light Anti-Aircraft Regiment Jan 42; then to 4 Anti-Aircraft Division

 

42 Anti-Aircraft Brigade
59 (Essex Regiment) Heavy Anti-Aircraft Regiment – from 6 Anti-Aircraft Division Summer 41; returned by Dec 41
60 (City of London) Heavy Anti-Aircraft Regiment – from 11 Anti-Aircraft Division by Dec 41;
to 57 Anti-Aircraft Brigade May 42
73 Heavy Anti-Aircraft Regiment – from 7 Anti-Aircraft Division May 41; to War Office Reserve Sep 41; later to Middle East Forces
83 (Blythswood) Heavy Anti-Aircraft Regiment – to War Office Reserve Jun 41; later to 10 Army in Iraq
100 Heavy Anti-Aircraft Regiment – to 57 Anti-Aircraft Brigade May 42
111 Heavy Anti-Aircraft Regiment – to 3 Anti-Aircraft Brigade Jun 41
123 Heavy Anti-Aircraft Regiment – to 7 Anti-Aircraft Division by Dec 41
126 Heavy Anti-Aircraft Regiment – new unit raised Jul 41; to 9 Anti-Aircraft Division Sep 42
130 (Mixed) Heavy Anti-Aircraft Regiment – new unit raised Aug 41
147 Heavy Anti-Aircraft Regiment– from 51 Anti-Aircraft Brigade Sep 42
155 (Mixed) Heavy Anti-Aircraft Regiment – from 57 Anti-Aircraft Brigade Aug 42; unbrigaded unit Sep 42
170 (Mixed) Heavy Anti-Aircraft Regiment – new unit raised Aug 42
18 Light Anti-Aircraft Regiment – to 63 Anti-Aircraft Brigade Summer 41
81 Light Anti-Aircraft Regiment – from 5 Anti-Aircraft Division May 42; to 3 Anti-Aircraft Brigade by Oct 42
3 Anti-Aircraft Z Regiment – from the 3 Anti-Aircraft Division Summer 41; to the 3 Anti-Aircraft Division May 42
11 Anti-Aircraft Z Regiment – from 63 Anti-Aircraft Brigade Summer 41

 

51 Anti-Aircraft Brigade – Joined Aug 42
100 Heavy Anti-Aircraft Regiment – from the 57 Anti-Aircraft Brigade Jun 42; unbrigaded unit Sep 42
113 Heavy Anti-Aircraft Regiment
114 Heavy Anti-Aircraft Regiment
147 Heavy Anti-Aircraft Regiment – to 42 Anti-Aircraft Brigade Sep 42
130 (Queen’s Edinburgh, Royal Scots) Light Anti-Aircraft Regiment
131 Light Anti-Aircraft Regiment

 

57 Anti-Aircraft Brigade – joined May 42
60 (City of London) Heavy Anti-Aircraft Regiment – from 42 Anti-Aircraft Brigade May 42; unbrigaded unit Jun 42
100 Heavy Anti-Aircraft Regiment – from 42 Anti-Aircraft Brigade May 42; to 51 Anti-Aircraft Brigade Jun 42
134 (Mixed) Heavy Anti-Aircraft Regiment – from 11 Anti-Aircraft Division Aug 42; returned by Oct 42
155 (Mixed) Heavy Anti-Aircraft Regiment – new unit raised Mar 42; to 42 Anti-Aircraft Brigade Aug 42
4 Anti-Aircraft Z Regiment – from 4 Anti-Aircraft Division Aug 42

 

63 Anti-Aircraft Brigade
17 Light Anti-Aircraft Regiment – from 6 Anti-Aircraft Division by Dec 41; left Anti-Aircraft Command Jun 42; later to Operation Torch
18 Light Anti-Aircraft Regiment – from 42 Anti-Aircraft Brigade Summer 41; to 10 Army in Iraq Mar 42
57 (Glasgow) Light Anti-Aircraft Regiment
60 Light Anti-Aircraft Regiment – to 5 Anti-Aircraft Division by Dec 41
84 Light Anti-Aircraft Regiment – new unit raised Aug 41; joined Dec 41; to 3 Anti-Aircraft Brigade Jun 42
135 Light Anti-Aircraft Regiment – from 3 Anti-Aircraft Division Jun 42; left Jul 42
86 Searchlight Regiment – converted into 120 Light Anti-Aircraft Regiment Jan 42; to 2 Anti-Aircraft Division Sep 42
11 Anti-Aircraft Z Regiment – to 42 Anti-Aircraft Brigade Summer 41

 

 

The Royal Artillery 1939-45