77 Light Anti-Aircraft Regiment RA (TA) was formed in April 1941 at Appenley, with two batteries. The Regiment moved to India in May 1942 serving there and in Burma (Myanmar). 77 Light Anti-Aircraft Regiment RA (TA) was disbanded in February 1945 in India.
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 41 | Formed | Appenley, Gloucestershire, UK | |
| Apr 41 |  |
9 Anti-Aircraft Division, 5 Anti-Aircraft Brigade | Gloucestershire, UK |
| May 42 |  |
Eastern Army, Barrackpore Area | India |
| Jun 42 | |
Eastern Army, Calcutta Area | India |
| Oct 42 | |
Eastern Army, Commilla Area | India |
| Jan 43 | |
Eastern Army, 8 Heavy Anti-Aircraft Regiment Group | Burma (Myanmar) |
| Mar 43 | |
Eastern Army, 13 Anti-Aircraft Brigade | Burma (Myanmar) |
| Oct 43 | |
Eastern Army, Chittagong Area | Bangladesh |
| Feb 45 | Disbanded | India |
Batteries
| Apr 41 | 269, 270 |
| Jul 41 | 94, 269, 270 |
| Oct 41 | 269, 270, 286 |