5 Heavy Anti-Aircraft Regiment RA was re-designated as 5 Anti-Aircraft Regiment RA from 5 Anti-Aircraft Brigade RA in May 1938. It was re-designated as Heavy Anti-Aircraft in August 1940. In December 1941 it was captured in Hong Kong and placed in suspended animation. 5 Heavy Anti-Aircraft Regiment RA was resuscitated from personnel from 136 Heavy Anti-Aircraft Regiment at King’s Park, Glasgow in April 1946. It was re-designated 69 Heavy Anti-Aircraft Regiment RA in April 1947.
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.
| Sep 39 |  |
Hong Kong Defences | Hong Kong |
| Dec 41 | Captured |
Batteries
| Sep 39 | 7, 17 (HKSRA), 18 (LAA)(HKSRA) |
| Dec 41 | 7 Battery – West Bay, Wong Nei Cheong, Saiwan Redoubt 17 Battery – Pinewood, Mount Davis, Brick Hill, Waterfall Bay 18 Battery – Stanley, D’Aguilar, Albany Road |