188 (Mixed) Heavy Anti-Aircraft Regiment RA (TA) was formed at Alexandria, Dumbarton in January 1943. The Regiment was disbanded in October 1945 at Weymouth.
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.
| Jan 43 | Formed | Dumbarton, Dunbartonshire, UK | |
| Jan 43 |  |
6 Anti-Aircraft Group, 42 Anti-Aircraft Brigade | Scotland |
| May 43 | |
7 Anti-Aircraft Group | Northern Ireland |
| Oct 45 | Disbanded | Weymouth, Dorset, UK |
Batteries
| Mar 43 | 630 (Mixed), 631 (Mixed), 632 (Mixed), 633 (Mixed) |
| Sep 43 | 630 (M), 632 (M) |
| May 44 | 630 (M), 632 (M), 642 (M), 670 (M) |
| Jul 44 | 630 (M), 632 (M), 642 (M) |
| Mar 45 | 630 (M), 642 (M) |