3 Light Anti-Aircraft Regiment RA was formed at the RA Depot in Woolwich in September 1941 with one battery and sent to Gibraltar. On arrival a further two batteries joined the Regiment. The Regiment returned to the UK in August 1943, joining Anti-Aircraft Command. 3 Light Anti-Aircraft Regiment RA was re-designated in April 1947 as 62 Light 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.
| Sep 41 | Formed | Woolwich, London, UK | |
| Sep 41 | Home Forces | UK | |
| Sep 41 | Gibraltar Command | Gibraltar | |
| Aug 43 |  |
2 Anti-Aircraft Group, 35 Anti-Aircraft Brigade | South East England |
| Jan 44 | |
6 Anti-Aircraft Group, 35 Anti-Aircraft Brigade | South East England |
Batteries
| Sep 41 | 126 |
| Oct 41 | 9, 114, 126 |