53 (Royal Northumberland Fusiliers) Searchlight Regiment RA (TA) formed in August 1940 by the transfer of 5th Battalion The Royal Northumberland Fusiliers (53 Searchlight Regiment) (TA) to the RA. The Regiment was converted to 638 Infantry Regiment RA in January 1945. It was re-constituted as 588 (Royal Northumberland Fusiliers) Light Anti-Aircraft Regiment RA (TA) in January 1947.
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.
| Nov 38 |  |
5th Battalion Royal Northumberland Fusiliers (53 Searchlight Regiment) 7 Anti-Aircraft Division, 30 Anti-Aircraft Brigade |
Walker, Tyne & Wear, UK |
| Aug 40 | Became 53 (Royal Northumberland Fusiliers) Searchlight Regiment |
||
| Aug 40 | |
7 Anti-Aircraft Division, 57 Anti-Aircraft Brigade | North East, UK |
| Jan 45 | Became 638 Infantry Regiment RA |
Batteries
| Aug 40 | 408, 409, 410 |
| Aug 41 | 408, 409, 410 |
| Feb 44 | 408, 409, 410 |
- List of Royal Northumberland Fusiliers battalions in World War II
- 5th Battalion, The Royal Northumberland Fusiliers