38 Anti-Aircraft Brigade served with Anti-Aircraft Command until its conversion to an Infantry Brigade in 1945. It was based in London and the South of England for the whole of this time. in January 1945 38 Anti-Aircraft Brigade became 304 Infantry 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.
| Sep 38 | Formed Chelsea, London |  | 1 Anti-Aircraft Division |
| Oct 42 | London |  | 1 Anti-Aircraft Group |
| Jan 43 | South East England | | 2 Anti-Aircraft Group |
| Aug 44 | Portsmouth | | 6 Anti-Aircraft Group |
| Dec 44 | South East England | | 2 Anti-Aircraft Group |
| Jan 45 | Converted to 304 Infantry Brigade | | |
Order of Battle August 1939
| 26 (London) Anti-Aircraft Battalion (London Electrical Engineers) RE (TA) (301, 303, 321, 339 Companies) – Searchlights |
| 27 (London) Anti-Aircraft Battalion (London Electrical Engineers) RE (TA) (304, 305, 306, 390 Companies) – Searchlights |
| 75 (Middlesex) Searchlight Regiment RA (TA) (470, 471, 472, 473 Batteries) |
Order of Battle October 1939
| 26 (London) Anti-Aircraft Battalion (London Electrical Engineers) RE (TA) (301, 303, 321, 339 Companies) – Searchlights |
| 35 (1st Surrey Rifles) Searchlight Regiment (340, 341, 342, 343 Batteries) |
| 75 (Middlesex) Searchlight Regiment (470, 471, 472, 473 Batteries) |
| 79 Searchlight Regiment (502, 503, 504 Batteries) |
Order of Battle 1940-41
| 26 (London Electrical Engineers) Searchlight Regiment (301, 303, 321, 339 Batteries) |
| 35 (1st Surrey Rifles) Searchlight Regiment (340, 341, 342, 343 Batteries) |
| 75 (Middlesex) Searchlight Regiment (470, 471, 472, 473 Batteries) – Converted to LAA February 1941 |
| 79 Searchlight Regiment (502, 503, 504 Batteries) |
Order of Battle 1941-42
| 26 (London Electrical Engineers) Searchlight Regiment (301, 303, 321, 339 Batteries) – Left November 1942 |
| 63 (Queens) Searchlight Regiment (438, 439, 440, 524 Batteries) – Joined Autumn 1941, converted to LAA January 1942 |
| 79 Searchlight Regiment (342, 502, 503, 504 Batteries) – Mixed July 1942 |
| 141 Light Anti-Aircraft Regiment (451, 456, 466, 467 Batteries) – Formed July left November 1942 |
Order of Battle 1942-44
| 100 Heavy Anti-Aircraft Regiment (304, 305, 321 Batteries) – Joined December 1942 left January 1943 |
| 105 Heavy Anti-Aircraft Regiment (326, 330, 333 Batteries) – Left December 1942 |
| 131 Heavy Anti-Aircraft Regiment (310, 368, 376, 428 Batteries) – Joined May disbanded August 1943 |
| 174 Heavy Anti-Aircraft Regiment (249, 331, 348 Batteries) – Joined April left May 1943 |
| 183 (Mixed) Heavy Anti-Aircraft Regiment (564, 590, 591, 608, 640 (M) Batteries) – Formed October 1942 |
| 71 Light Anti-Aircraft Regiment (208, 209, 215 Batteries) – Left December 1942 |
| 75 (Middlesex) Light Anti-Aircraft Regiment (233, 234, 303 Batteries) – Re-joined December 1942 left January 1943 |
| 84 Light Anti-Aircraft Regiment (201, 251, 448, 461 Batteries) – Joined April left August 1943 |
| 97 Light Anti-Aircraft Regiment (201, 251, 448, 461 Batteries) – Left December 1942 |
| 143 Light Anti-Aircraft Regiment (403, 410, 413, 484 Batteries) – Joined August 1943 left April 1944 |
| 79 Searchlight Regiment (502, 503, 504 Batteries) – Left March 1944 |
| 93 (Mixed) Searchlight Regiment (301 (M), 342 (M), 495 Batteries) – Left March 1944 |
| 20 (Mixed) AA Z Regiment (111, 143, 194, 198 (M), 220 (M) Batteries) – Left April 1943 |
Order of Battle 1944
| 179 (Mixed) Heavy Anti-Aircraft Regiment (548, 606, 607 (M) Batteries) – Joined May left November 1944 |
| 183 (Mixed) Heavy Anti-Aircraft Regiment (564, 591, 608, 640 (M) Batteries) – Left May 1944 |
| 88 Light Anti-Aircraft Regiment (178, 289, 293 Batteries) – Joined May left July 1944 |
| 147 Light Anti-Aircraft Regiment (492, 493, 495 Batteries) – Joined December 1944 left January 1945 |
| 28 (Essex) Searchlight Regiment (309/311, 312, 438 Batteries) – Joined June 1944 |
| 38 (King’s Regiment) Searchlight Regiment (350, 351, 352 Batteries) – Joined May left June 1944 |
| 50 (Northamptonshire) Searchlight Regiment (401, 402, 403 Batteries) – Joined June 1944 |
| 61 (South Lancashire Regiment) Searchlight Regiment (432, 433, 434 Batteries) – Joined May left June 1944 |
| 93 (Mixed) Searchlight Regiment (301, 342, 495 Batteries) – Returned June 1944 left January 1945 |
| 22 AA Area Mixed Regiment (194, 198 (M) Batteries – Joined April 1944 left January 1945 |
