129 Heavy Anti-Aircraft Regiment RA (TA) was formed at Dunfermline in August 1941 and re-designated the following month as a (Mixed) Regiment. It was re-designated as a non mixed unit in August 1945. The Regiment served in Anti-Aircraft Command for its entire war. 129 Heavy Anti-Aircraft Regiment RA (TA) was considered a new War Formed Regiment in January 1947 and in the April was re-designated 89 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 | Dunfermline, Fife, UK | |
| Aug 41 |  |
3 Anti-Aircraft Division, 36 Anti-Aircraft Brigade | Edinburgh, UK |
| Apr 43 |  |
6 Anti-Aircraft Group, 43 Anti-Aircraft Brigade | UK |
| Jul 44 | |
5 Anti-Aircraft Group, 30 Anti-Aircraft Brigade | South coast, England |
| Aug 44 | |
6 Anti-Aircraft Group, 43 Anti-Aircraft Brigade | UK |
Batteries
| Aug 41 | 444, 445, 454, 455 |
| Nov 44 | 444, 445, 454 |