| Aug 40 | Formed | Swansea, Glamorgan, UK |
| Aug 40 | 45 Anti-Aircraft Brigade, 5 Anti-Aircraft Division | Swansea, Glamorgan, UK |
| Nov 40 | 45 Anti-Aircraft Brigade, 9 Anti-Aircraft Division | Swansea, Glamorgan, UK |
| Feb 41 | 61 Anti-Aircraft Brigade, 9 Anti-Aircraft Division | Swansea, Glamorgan, UK |
| Mar 43 | Became 146 Light Anti-Aircraft Regiment |
Batteries
| Aug 40 | 494, 495, 496, 497 |
| Oct 42 | 494, 496, 497 |
