122 (Royal Warwickshire Regiment) Anti-Tank Regiment RA (TA) was re-designated from 122 Light Anti-Aircraft/Anti-Tank Regiment in September 1944. It organised in three Batteries each having both 6 pdr guns and 3 inch mortars. For the rest of the war it was the Divisional Anti-Tank Regiment of 36 Infantry Division. The Regiment was placed in suspended animation in September 1946. 122 (Royal Warwickshire Regiment) Anti-Tank Regiment RA (TA) was reconstituted as 580 (The Royal Warwickshire Regiment) Heavy Anti-Aircraft Regiment RA (TA) in January 1947.
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 44 | Formed from 122 Light Anti-Aircraft/Anti-Tank Regiment | ||
| Sep 44 |  |
36 Infantry Division | Burma (Myanmar) |
| May 45 | |
36 Infantry Division | Poona, India |
Batteries
| Sep 44 | 168, 321, 402 |
Equipment
| Sep 44 | 36 x 6 pdr Guns, 36 x 3 inch Mortars |
| Feb 45 | 321 Battery 6 pdr Guns, 168 & 402 Batteries 3 inch Mortars |