2 Medium Brigade was re-designated 2 Medium Regiment RA in May 1938. It was re-organised with two batteries in February 1939. The Regiment went to France with the BEF in 1939. It moved to the Middle East in 1943 and Italy in 1944. In April 1947, 2 Medium Regiment RA was re-designated 39 Medium 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.
| 3 Sep 39 |  |
Aldershot Command | Longmoor, Hampshire, UK |
| Oct 39 | British Expeditionary Force | France | |
| Jun 40 | Home Forces | UK | |
| Mar 43 |  |
10 Army | Iraq |
| May 43 |  |
9 Army | Palestine |
| Aug 43 |  |
GHQ Middle East Forces | N Africa |
| Jan 44 | 10 Army Group RA | Italy | |
| May 44 |  |
6 Army Group RA | Cassino, Italy |
| Mar 45 | 7 Army Group RA | Italy |
Batteries
| 3 Sep 39 | 4/7, 8/12 |
Equipment
| Sep 39 | 60 pdr Gun, Scammell Tractor |