162 Field Regiment RA was formed in April 1942 with three batteries. It was re-designated 303 (East Africa) Field Regiment RA with two batteries in April 1943.
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.
| Apr 42 | Formed | Ceylon (Sri Lanka) | |
| Apr 42 |  |
Ceylon Command | Ceylon (Sri Lanka) |
| Apr 43 | Became 303 (East Africa) Field Regiment, East African Artillery |
Batteries
| Apr 42 | 53, 54, 58 East African Batteries |
| Apr 43 | 53, 54 |