55 Light Anti-Aircraft/Anti-Tank Regiment RA (TA) was formed in July 1943 by re-designation of RHQ 55 Light Anti-Aircraft Regiment with 165 & 524 Batteries plus 203 & 290 Anti-Tank Batteries from 56 Anti-Tank Regiment. In July 1944, RHQ 55 Light Anti-Aircraft/Anti-Tank Regiment RA (TA) was re-designated 111 (Devon) Anti-Tank Regiment. 165 Battery converted to Anti-Tank and 524 Battery was disbanded. The Regiment was reconstituted as 852 (Devon) Tractor Battery RA (TA) in January 1947.
| 29 Jul 43 | Formed from 55 Light Anti-Aircraft & 56 Anti-Tank Regiments |
Calcutta, India | |
| Aug 43 |  |
20 Indian Division | India |
| Dec 43 | |
20 Indian Division | Tamu, Burma (Myanmar) |
| 17 Jul 44 | Became 111 Anti-Tank Regiment |
Batteries
| Jul 43 | 203 (Atk), 290 (Atk), 165 (LAA), 524 (LAA) |