64 Light Anti-Aircraft Regiment RA (TA) was formed in November 1940 in Watchet, with three batteries . It served in the UK until going to North Africa in March 1943. In September 1943 it moved to Italy and then Greece in October 1944. 64 Light Anti-Aircraft Regiment RA (TA) was disbanded November 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.
| Nov 40 | Formed | Watchet, Somerset, UK | |
| Nov 40 |  |
2 Anti-Aircraft Division, 66 Anti-Aircraft Brigade | UK |
| Oct 41 | |
2 Anti-Aircraft Division, 32 Anti-Aircraft Brigade | East Midlands, UK |
| Aug 42 |  |
War Office Reserve | UK |
| Mar 43 |  |
Allied Forces HQ | N Africa |
| Sep 43 | |
Allied Forces HQ, 52 Anti-Aircraft Brigade | Cerignola, Italy |
| Oct 44 | Ark Force | Greece | |
| Nov 45 | Disbanded |
Batteries
| Nov 40 | 191, 192, 193 |
| Oct 41 | 191, 193, 285 |
| Feb 42 | 191, 193, 285, 458 |
| Jul 42 | 191, 193, 285 |