3 Survey Battery was expanded in November 1939 to form 3 Survey Regiment RA (TA). The Regiment went into suspended animation in May 1946 and was re-constituted as 376 Observation 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.
| Sep 39 | 3 Survey Battery (TA) | Bristol, UK | |
| Nov 39 | Expanded to 3 Survey Regiment | UK | |
| Nov 39 |  |
3 Corps, British Expeditionary Force | France |
| May 40 | Home Forces | UK | |
| May 43 |  |
Middle East Forces | N Africa |
| Jun 43 |  |
8 Army | N Africa |
| Sep 43 | |
8 Army | Italy |
Batteries
| Nov 39 | A, B |
| Dec 43 | 45, 46 |