118 Heavy Anti-Aircraft Regiment RA(TA) was formed at Larkhill Practice Camp in December 1940. The Regiment was disbanded in January 1946.
| Dec 40 | Formed | Larkhill, Wiltshire, UK |
| Dec 40 | 35 Anti-Aircraft Brigade, 5 Anti-Aircraft Division | Portsmouth, Hampshire, UK |
| May 41 | 45 Anti-Aircraft Brigade, 9 Anti-Aircraft Division | Cardiff, Glamorgan, UK |
| Apr 43 | Unbrigaded | UK |
| Mar 44 | 2 Army | UK |
| Jun 44 | 2 Army | NW Europe |
Batteries
| Dec 40 | 373, 374, 375 |
| Sep 41 | 373, 374, 375, 275 |
| Jul 42 | 373, 374, 375, 399 |
