33 Field Brigade (Army) Royal Artillery was formed by the conversion of 5 Light Brigade Royal Artillery in October 1935. The Regiment was re-designated 33 Field Regiment RA from 33 Field Brigade in May 1938. It re-organised on a two battery basis in October 1938 and as three batteries in March 1941. In June 1944 the Regiment was re-designated as 33 Field Regiment (Self Propelled) Royal Artillery. Post war 33 Field Regiment RA converted to 24 Light Anti-Aircraft Regiment Royal Artillery in April 1947. Three batteries, 101, 109 & 113 were coverted to Light Anti-Aircraft Batteries as 2, 51 & 128 respectively. 114 Battery was de-linked and converted to 115 Anti-Tank Battery.
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 Infantry Division | Newport, Gwent, UK |
| Sep 39 | |
3 Infantry Division | France |
| Jun 40 | |
3 Infantry Division | UK |
| Jun 44 |  |
3 Infantry Division | NW Europe |
| Feb 45 | |
3 Infantry Division | The Rhine, Germany |
Batteries
| Oct 35 | 101, 113, 114 (converted from 1, 13 & 14 Light Batteries) |
| Oct 38 | 101/113, 114/109 |
| Mar 41 | 101, 109, 113/114 |
| Apr 47 | 101, 109, 113 converted to 2, 51, 128 Light Anti-Aircraft Batteries 114 de-linked, converted to 115 Anti-Tank Battery |
Equipment
| Sep 39 | 24 x 18/25 pdr Guns |
| Jun 44 | M7 Self Propelled 105 mm Priest, Sherman V Observation Post tanks, OP Carriers, M14 Halftracks |