143 Light Anti-Aircraft Regiment RA (TA) was formed in October 1942 at Vange, Pitsea. The Regiment served entirely in the UK and was disbanded in October 1945 at Seaford.
| Oct 42 | Formed from batteries from 122, 123 & 124 Light Anti-Aircraft Regiments |
Pitsea, Essex, UK |
| Oct 42 | Home Forces | UK |
| Oct 45 | Disbanded | Seaford, Sussex, UK |
Batteries
| Oct 42 | 403, 410, 413, 484 |
| Feb 44 | 403, 410, 413 |