115 Light Anti-Aircraft Regiment RA (TA) was converted in January 1942 from 8th Battalion The East Yorkshire Regiment (The Duke of York’s Own). The Regiment served with 46 Infantry Division throughout going to North Africa with them. They landed in Tunisia fighting their way to Tunis. Earmarked for Sicily, instead they took part in the landings at Salerno, Italy. The Regiment fought their way up Italy to the Gothic line with a short break to rest and refit in Palestine. They were removed from the Division just before disbandment as all LAA Regiments were taken from Divisions. 115 Light Anti-Aircraft Regiment RA (TA) was disbanded in January 1945.
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.
| Jan 42 | Formed from 8th Battalion East Yorkshire Regiment | ||
| Jan 42 | Home Forces | UK | |
| Feb 42 |  |
46 Infantry Division, 12 Corps | South East England |
| Aug 42 | |
46 Infantry Division, 1 Army | UK |
| Jan 43 | |
46 Infantry Division | Tunisia |
| May 43 | |
46 Infantry Division | Tunis, Tunisia |
| Sep 43 | |
46 Infantry Division | Salerno, Italy |
| Jan 44 | |
46 Infantry Division | R Garigliano, Italy |
| Apr 44 | |
46 Infantry Division (rest & refit) | Palestine |
| Jul 44 | |
46 Infantry Division | Gothic Line, Italy |
| Sep 44 | |
46 Infantry Division | Rimini, Italy |
| Jan 45 | Disbanded |
Batteries
| Jan 42 | 377, 378, 379 |