128 Heavy Anti-Aircraft Regiment RA (TA) was formed at Whiston, Rotherham in August 1941. The Regiment served in Anti-Aircraft Command for its entire war. 128 Heavy Anti-Aircraft Regiment RA (TA) was disbanded in April 1946 at West Filton Camp, Edinburgh to resuscitate 3 Heavy Anti-Aircraft Regiment RA.
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.
| Aug 41 | Formed | Rotherham, Yorkshire, UK | |
| Dec 41 |  |
10 Anti-Aircraft Division, 62 Anti-Aircraft Brigade | Yorkshire, UK |
| Jun 42 |  |
5 Anti-Aircraft Division, 5 Anti-Aircraft Brigade | Southern England |
| Jul 42 |  |
2 Anti-Aircraft Division, 41 Anti-Aircraft Brigade | East Anglia, UK |
| Aug 42 | |
10 Anti-Aircraft Division, 31 Anti-Aircraft Brigade | Yorkshire, UK |
| Nov 42 |  |
1 Anti-Aircraft Group, 28 Anti-Aircraft Brigade | Kent, UK |
| Dec 44 |  |
59 Anti-Aircraft Brigade | Hoy, Orkney, UK |
| Mar 45 | |
9 Anti-Aircraft Group, 40 Anti-Aircraft Brigade | East Anglia, UK |
Batteries
| Aug 41 | 182, 287, 309, 436 |
| Oct 41 | 287, 309, 436 |
| Apr 42 | 287, 309, 407, 436 |
| May 44 | 309, 407, 436 |
| Feb 45 | 309, 431, 468 |
| May 45 | 411, 431, 468 |
Gun Sites Occupied
407 Battery
| Dates | Gun Sites | Comments | Gun Defended Area |
| Dec 44-Mar 45 | H3 H4 |
On South Walls | Scapa |