9 Coast Regiment RA was formed by re-designation of 9 Heavy Regiment in Singapore, in December 1940. The Regiment was captured in February 1942 at Singapore and placed in suspended animation.
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 40 | Re-designation of 9 Heavy Regiment | ||
| Dec 40 |  |
Malaya Defences | Singapore |
| 15 Feb 42 | Captured at Singapore |
Batteries
| Dec 40 | 7, 22, 32 |
Changi Fire Command
7 Battery
| Johore Battery | 3 x 15 inch Guns |
| Betang Kusar | 2 x 6 inch Guns |
22 Battery
| Tekong Battery | 3 x 9. inch Guns |
| Sphinx Battery | 2 x 6 inch Guns |
| Ladang | 1 x 12 pounder Gun |
| Pulau Sajahat | 2 x 12 pounder Guns |
| Calder Harbour | 2 x 12 pounder Guns |
32 Battery
| Pengerang Battery | 2 x 6 inch Guns |
| Changi Battery | 2 x 6 inch Guns |
| Changi Inner | 2 x 6 pounder Guns |