The Regiment was re-designated in May 1938 from 5 Field Brigade to 5 Field Regiment RA. It was organised on a two battery basis in January 1940 and as three batteries in January 1941. Post war it was reduced to a cadre in January 1947 and in the April re-designated 43 Searchlight Regiment RA.
| Sep 39 | Rawalpindi area | India |
| Feb 40 | Nowshera area | India |
| Nov 41 | 28 Indian Infantry Brigade | Malaya |
| Dec 41 | 22 Indian Infantry Brigade | Malaya |
| Jan 42 | 8 Indian Infantry Brigade | Malaya |
| Jan 42 | 54 Infantry Brigade | Malaya |
| Feb 42 | Captured | |
| Jun 43 | Re-formed | UK |
| Jun 43 | 47 Infantry Division | UK |
| 1944 | 55 Infantry Division | UK |
| Jun 45 | Became 5 Light Regiment |
Batteries
| 3 Sep 39 | 63, 64, 73, 81 |
| Jan 40 | 63/81, 73 |
| Jan 41 | 63, 64/73, 81 |
| Aug 41 | 63, 73, 81 |
Equipment
| Nov 41 | 16 x 4.5 inch Howitzers |
