113 (Durham Light Infantry) Light Anti-Aircraft Regiment RA (TA) was converted in January 1942 from 55 Searchlight Regiment. The Regiment served in Anti-Aircraft Command for 12 months. It then came under 2 Army preparing for D Day. It moved to Normandy on the 25 June 1944 and fought through North West Europe. Its final task was to oversee the liberation of Belsen Concentration Camp. 113 (Durham Light Infantry) Light Anti-Aircraft Regiment RA (TA) was placed in suspended animation in March 1946 and re-constituted as 590 (The Durham Light Infantry) Light Anti-Aircraft/Searchlight Regiment RA (TA).
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 42 | Formed from 55 (Durham Light Infantry) Searchlight Regiment | ||
| Jan 42 |  |
2 Anti-Aircraft Division, 41 Anti-Aircraft Brigade | East Anglia, UK |
| Jan 43 |  |
2 Army, 100 Anti-Aircraft Brigade | UK |
| 25 Jun 44 | |
2 Army, 80 Anti-Aircraft Brigade | Normandy, France |
| Aug 44 | |
2 Army, 100 Anti-Aircraft Brigade | R Seine, France |
| Sep 44 | |
2 Army, 106 Anti-Aircraft Brigade | Antwerp, Belgium |
| Sep 44 | |
2 Army, 100 Anti-Aircraft Brigade | Nijmegen, Holland |
| Feb 45 | |
2 Army, 100 Anti-Aircraft Brigade | Rhine, Germany |
| Apr 45 | |
2 Army, 103 Anti-Aircraft Brigade | Belsen, Germany |
Batteries
| Jan 42 | 368, 369, 370, 371 |
| Jul 42 | 368, 369, 370 |