| Aug 40 | Formed from 50 Anti-Aircraft Battalion Royal Engineers | |
| Aug 40 | 50 Light Anti-Aircraft Brigade, 2 Anti-Aircraft Division | Derby, Derbyshire, UK |
| Jan 45 | Became 637 Infantry Regiment RA |
Batteries
| Aug 40 | 400, 401, 402, 403 |
| Sep 42 | 401, 402, 403 |
The history of the Regiment in WW2
