25 Anti-Aircraft Brigade formed sometime before April 1943. It then went to Algeria. In December 1943 it moved to Italy with responsibility for coastal areas and ports. It also provided support in Vis, Yugoslavia (Now Croatia). 25 Anti-Aircraft Brigade was disbanded at Salerno in February 1945.
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.
| Apr 43 | Arrived Algiers (whereabouts before this unknown) | | 18 Army Group |
| Dec 43 | Bari, Italy |  | Allied Forces HQ |
| Jul 43 | Bari, Barletta, Manfredonia, Taranto, Brindisi, Vis | | Allied Forces HQ |
| Dec 44 | Salerno, Italy | | Allied Forces HQ |
| Feb 45 | Disbanded | | |
Order of Battle May 1943
| Bougie |
| 2 Batteries from 62 Heavy Anti-Aircraft Regiment |
| 62 Heavy Anti-Aircraft Regiment – en route |
| 1 Battery from 72 Light Anti-Aircraft Regiment |
| AA Operations Room |
| Djidjelli |
| 1 Troop from 80 Battery, 62 Heavy Anti-Aircraft Regiment |
| 1 Battery from 72 Light Anti-Aircraft Regiment |
| Algiers |
| 131 Z Battery |
| AA Operations Room |
Order of Battle July 1944
| 64 Heavy Anti-Aircraft Regiment |
| 69 Heavy Anti-Aircraft Regiment |
| 85 Heavy Anti-Aircraft Regiment |
| 89 Heavy Anti-Aircraft Regiment |
| 104 Heavy Anti-Aircraft Regiment |
| 106 Heavy Anti-Aircraft Regiment |
| 22 Light Anti-Aircraft Regiment |
| 31 Light Anti-Aircraft Regiment |
| 34 Light Anti-Aircraft Regiment |
| 72 Light Anti-Aircraft Regiment |
| 20 AA Operations Room |
| 51 AA Operations Room |
Order of Battle October 1944
| 59 Heavy Anti-Aircraft Regiment |
| 61 Heavy Anti-Aircraft Regiment |
| 64 Heavy Anti-Aircraft Regiment |
| 69 Heavy Anti-Aircraft Regiment |
| 85 Heavy Anti-Aircraft Regiment |
| 22 Light Anti-Aircraft Regiment |
| 31 Light Anti-Aircraft Regiment |
| 34 Light Anti-Aircraft Regiment |
| 400 Searchlight Battery |
| 567 Searchlight Battery |
| 51 AA Operations Room |
| 52 AA Operations Room |
Order of Battle January 1945
| 61 Heavy Anti-Aircraft Regiment |
| 64 Heavy Anti-Aircraft Regiment |
| 69 Heavy Anti-Aircraft Regiment |
| 31 Light Anti-Aircraft Regiment |
| 34 Light Anti-Aircraft Regiment |
| 400 Searchlight Battery |
| 567 Searchlight Battery |
| 51 AA Operations Room |
