107 Heavy Anti-Aircraft Regiment RA(TA) was formed at Bude Practice Camp in September 1940. The Regiment was disbanded in March 1946 in NW Europe.
| Sep 40 | Formed | Bude, Cornwall, UK |
| Sep 40 | 33 Anti-Aircraft Brigade, 2 Anti-Aircraft Division | North West England |
| Dec 41 | 27 Anti-Aircraft Brigade, 5 Anti-Aircraft Division | UK |
| Jun 42 | 35 Anti-Aircraft Brigade, 5 Anti-Aircraft Division | UK |
| Nov 42 | 5 Anti-Aircraft Brigade, 2 Anti-Aircraft Group | UK |
| Mar 43 | 21 Army Group | UK |
| Jun 44 | 2 Army | NW Europe |
Batteries
| Sep 40 | 334, 335, 337 |
| Feb 41 | 334, 335, 337, 390 |
| Oct 42 | 334, 335, 337 |
