| Sep 39 | Formed – Malta Command | Malta |
| Jun 40 | Designated Heavy Anti-Aircraft | Malta |
| May 45 | Suspended animation |
Batteries
| Sep 39 | 20, 21 |
| Sep 40 | 20, 21, 22 LAA |
| 1940 | 20, 21, 22 LAA, 30 LAA |
| Mar 41 | 20, 21, 23 |
| Nov 43 | 5, 20, 21, 23 |
The history of the Regiment in WW2