185 (Mixed) Heavy Anti-Aircraft Regiment RA (TA) was formed at Grangefield House, Belfast in December 1942. The Regiment was disbanded in June 1945 at Patcham, Brighton.
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.
| Dec 42 | Formed | Belfast, UK | |
| Dec 43 |  |
6 Anti-Aircraft Group, 35 Anti-Aircraft Brigade | South coast, England |
| Jun 45 | Disbanded | Brighton, Sussex, UK |
Batteries
| Jan 43 | 601 (Mixed), 602 (Mixed), 618 (Mixed), 619 (Mixed) |
| Dec 43 | 529 (M), 601 (M), 602 (M), 618 (M), 619 (M) |
| Nov 44 | 601 (M), 618 (M) |
| Mar 45 | 618 (M) |