7 Heavy Anti-Aircraft Regiment RA was re-designated as 7 Anti-Aircraft Regiment RA from 7 Anti-Aircraft Brigade RA in May 1938. It was re-designated as Heavy Anti-Aircraft in June 1940. It was re-designated 79 Heavy Anti-Aircraft Regiment RA in April 1947.
| Sep 39 | Malta Command | Malta |
| Apr 41 | 7 Anti-Aircraft Brigade | Malta |
| Jun 41 | 10 Anti-Aircraft Brigade | Malta |
| Apr 44 | 33 Anti-Aircraft Brigade, 4 Anti-Aircraft Group | North West England |
| Jun 44 | 59 Anti-Aircraft Brigade | Orkney & Shetland |
| Dec 44 | 71 Anti-Aircraft Brigade, 1 Anti-Aircraft Group | Kent, UK |
| Feb 45 | 2 Anti-Aircraft Group | South East England |
Batteries
| Sep 39 | 10, 13 |
| Oct 39 | 10, 13, 27 |
| Dec 40 | 10, 13, 27, 59 Light AA |
| Apr 41 | 10, 13, 27 |
