83 Searchlight Regiment RA (TA) was formed in January 1941 with three batteries, at Yeovil. The Regiment served in Anti-Aircraft Command until disbanded. It was based in the North West until joining the Diver defences against the V1 Rockets in the South East. 83 Searchlight Regiment RA (TA) was disbanded in December 1944 at Ipswich.
Illustrations of the formation badges under which a unit served or supported are given. This is no guarantee that the unit used this formations badge.
| Jan 41 | Formed | Yeovil, Somerset, UK | |
| Jan 41 |  |
11 Anti-Aircraft Division, 1 Anti-Aircraft Brigade | Crewe, Cheshire, UK |
| May 41 | |
11 Anti-Aircraft Division, 68 Anti-Aircraft Brigade | Crewe, Cheshire, UK |
| Aug 41 | |
11 Anti-Aircraft Division, 54 Anti-Aircraft Brigade | West Midlands, UK |
| Oct 42 |  |
4 Anti-Aircraft Group, 68 Anti-Aircraft Brigade | West Midlands, UK |
| Sep 43 | |
2 Anti-Aircraft Group, 27 Anti-Aircraft Brigade | South East England |
| Oct 44 | |
1 Anti-Aircraft Group, 56 Anti-Aircraft Brigade | South East England |
| Dec 44 | Disbanded | Ipswich, Suffolk, UK |
Batteries
| Jan 41 | 513, 514, 515 |
| Jan 42 | 365, 513, 514, 515 |
| Apr 44 | 365, 513, 514 |