| 3 Sep 39 | 2/6th Essex Regiment (65 Searchlight Regiment) | Southend, Essex, UK |
| Aug 40 | Became RA | |
| Aug 40 | 41 Anti-Aircraft Brigade, 2 Anti-Aircraft Division | East Anglia, UK |
| Nov 41 | 32 Anti-Aircraft Brigade, 2 Anti-Aircraft Division | East Anglia, UK |
| Aug 43 | 50 Anti-Aircraft Brigade, 5 Anti-Aircraft Group | East Anglia, UK |
| Mar 44 | 65 Anti-Aircraft Brigade, 5 Anti-Aircraft Group | East Anglia, UK |
| Nov 44 | Became 65 Garrison Regiment |
Batteries
| Sep 39 | 444, 445, 446 |
