3 Heavy Anti-Aircraft Regiment RA was re-designated as 3 Anti-Aircraft Regiment RA from 3 Anti-Aircraft Brigade RA in May 1938. It was re-designated as Heavy Anti-Aircraft in August 1940. The Regiment was captured at Singapore in February 1942 and was placed in suspended animation. 3 Heavy Anti-Aircraft Regiment RA was reconstituted in April 1946 from the disbanding 128 Heavy Anti-Aircraft Regiment and in April 1947 it became 82 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.
| May 38 |  |
Malaya Command | Malaya |
| Nov 41 | |
Malaya Command | Johore Baru, Malaya |
| Feb 42 | Captured | Singapore |
Batteries
| Jan 39 | 11, 29, 30 |
Equipment
|
Jan 42 |
11 Battery 6 x 3.7 inch guns, 29 & 30 Batteries 8 x 3.7 inch guns each 11 Battery – Ayer Hitam, 29 Battery – Marsiling, Alexandra 30 Battery – Matilda, Ponggol |
| Feb 42 | 11 Battery 6 x 3.7 inch guns, 29 & 30 Batteries 8 x 3.7 inch guns each 11 Battery – Ayer Hitam, 29 & 30 Batteries – Singapore City |