The Regiment was re-designated from 3 Field Brigade to 3 Field Regiment RA in May 1938. It was organised on a two battery basis in September 1940. It was subsequently re-organised as three batteries in November 1941. Post war, it was reduced to a cadre in February 1947. In the following April, 3 Field Regiment RA was re-designated 44 Searchlight Regiment RA.
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.
| Sep 39 | Trimulgherry area | India | |
| Feb 41 | Quetta area | India | |
| Mar 41 |  |
10 Indian Division | Iraq |
| May 42 |  |
5 Indian Division | N Africa |
| Jul 42 |  |
2 South African Division | N Africa |
| Aug 42 |  |
13 Corps | N Africa |
| Sep 42 |  |
7 Armoured Division | N Africa |
| Oct 42 | |
7 Armoured Division | Alamein, Egypt |
| Jan 43 |  |
8 Indian Division | Iraq |
| Apr 43 | |
8 Indian Division | N Africa |
| Sep 43 | |
8 Indian Division | Italy |
| Nov 43 |  |
2 New Zealand Division | Italy |
| Dec 43 | |
8 Indian Division | Italy |
| May 44 | |
8 Indian Division | Cassino, Italy |
| Jun 45 | Home Forces | UK |
Batteries
| Sep 39 | 18, 62, 65, 75 |
| Sep 40 | 18/62, 65/75 |
| Nov 41 | 18, 62, 65/75 |
| Jun 42 | 18/62, 65/75, 308 Anti-Tank |
| Aug 42 | 18, 65/75, 308 Anti-Tank |
| Sep 42 | 18, 65/75 |
| Apr 43 | 18, 65/75, 521 |
| Oct 45 | 18, 64, 65/75 |
Equipment
| Sep 42 | Stuart Observation Post tanks |