102 Anti-Aircraft Brigade was re-designated from 6 Anti-Aircraft Brigade in May 1943. The Brigade was withdrawn from Anti-Aircraft Command and became part of GHQ Reserve training for D Day. When not training it was lent back to AA Comand. Instead of going to Normandy, the Brigade was utilised on Diver defences. 102 Anti-Aircraft Brigade was disbanded in June 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.
| May 43 | Re-designated from 6 Anti-Aircraft Brigade | | GHQ Reserve |
| Mar 44 | South West England |  | 3 Anti-Aircraft Group |
| Apr 44 | South East England | | 2 Anti-Aircraft Group |
| Jul 44 | South East coast – Diver defences | | 2 Anti-Aircraft Group |
| Dec 44 | East coast – Diver defences | | 9 Anti-Aircraft Group |
| Jun 45 | Orsett, Essex – disbanded | | |
Order of Battle March 1944
| 124 Heavy Anti-Aircraft Regiment (219, 410, 412, 415 Batteries) |
| 136 Heavy Anti-Aircraft Regiment (182, 409, 432, 468 Batteries) |
| 138 Heavy Anti-Aircraft Regiment (419, 424, 437, 438 Batteries) |
| 95 Light Anti-Aircraft Regiment (263, 294, 297, 302 Batteries) |
| 97 Light Anti-Aircraft Regiment (221, 232, 301, 480 Batteries) |
| 98 Light Anti-Aircraft Regiment (305, 306, 481 Batteries) |
| 143 Light Anti-Aircraft Regiment (403, 410, 413 Batteries) |
Order of Battle Summer 1944
| 19 Light Anti-Aircraft Regiment (221, 263, 294 Batteries) |
| 88 Light Anti-Aircraft Regiment (178, 289, 293 Batteries) |
| 97 Light Anti-Aircraft Regiment (232, 301, 480 Batteries) |
| 98 Light Anti-Aircraft Regiment (305, 306, 481 Batteries) |
| 129 (First Surrey Rifles) Light Anti-Aircraft Regiment (425, 426, 427 Batteries) |
| 135 Light Anti-Aircraft Regiment (445, 447, 450 Batteries) |
| 140 Light Anti-Aircraft Regiment (457, 459, 464 Batteries) |
Order of Battle August 1944
| 119 Heavy Anti-Aircraft Regiment (372, 377, 378 Batteries) joined Dec 44 |
| 122 Heavy Anti-Aircraft Regiment (397, 400, 410 Batteries) left Sep 44 |
| 132 Mixed Heavy Anti-Aircraft Regiment (435, 450, 457 Batteries) left Dec 44 |
| 134 Mixed Heavy Anti-Aircraft Regiment (459, 460, 461, 583 Batteries) left Dec 44 |
| 189 Mixed Heavy Anti-Aircraft Regiment (434, 440, 663 Batteries) left Dec 44 |
| 85 Light Anti-Aircraft Regiment (52, 201, 304, 448 Batteries) left Dec 44 |
| 98 Light Anti-Aircraft Regiment left Nov 44 |
| 129 (First Surrey Rifles) Light Anti-Aircraft Regiment (425, 426, 427, 455 Batteries) |
| 131 Light Anti-Aircraft Regiment (432, 433, 434 Batteries) left Sep 44 |
| 134 Light Anti-Aircraft Regiment (192, 275, 287, 475 Batteries) |
| 136 Light Anti-Aircraft Regiment (386, 453, 474 Batteries) left Dec 44 |
| 140 Light Anti-Aircraft Regiment left Dec 44 |
| 142 Light Anti-Aircraft Regiment (374, 498, 465 Batteries) |
| 151 Light Anti-Aircraft Regiment (449, 472, 478 Batteries) left Dec 44 |
