72 Anti-Aircraft Brigade was raised in June 1942. It served as part of 5 Anti-Aircraft Division covering the South West and South Midlands. In October 1942 the Division became a part of 3 Anti-Aircraft Group. In August 1944 it was re-numbered as 105 Anti-Aircraft Brigade.
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.
| Jun 42 | South West & South Midlands |  | 5 Anti-Aircraft Division |
| Oct 42 | South West & South Midlands |  | 3 Anti-Aircraft Group |
| Aug 44 | Re-numbered as 105 Anti-Aircraft Brigade |
Order of Battle 1942
| 64 (Northumbrian) Heavy Anti-Aircraft Regiment (179, 180, 268, 269 Batteries) – Joined Apr, left Jun 42 |
| 157 (Mixed) Heavy Anti-Aircraft Regiment (539, 550, 551 Batteries) – Joined Jun 42 |
| 110 Light Anti-Aircraft Regiment (360, 361, 362 Batteries) – Joined Aug 42 |
| 123 Light Anti-Aircraft Regiment (405, 408, 409, 410 Batteries) – Joined Aug 42 |
| 50 (Northamptonshire Regiment) Searchlight Regiment (400, 401, 402, 403 Batteries) – Joined Jun 42 |