63 Light Anti-Aircraft Regiment RA (TA) was formed in October 1940 at Stiffkey Camp, with three batteries . The Regiment moved to North Africa in November 1942. It went to Italy in September 1943. 63 Light Anti-Aircraft Regiment RA (TA) was converted to 63 Garrison Regiment RA in November 1944 and then as 604 Infantry Regiment RA in February 1945. It was disbanded in December 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.
| Oct 40 | Formed | Stiffkey, Norfolk, UK | |
| Oct 40 |  |
11 Anti-Aircraft Division, 1 Anti-Aircraft Brigade | North West, UK |
| May 41 | |
11 Anti-Aircraft Division, 68 Anti-Aircraft Brigade | Midlands, UK |
| Jul 42 |  |
4 Anti-Aircraft Division, 70 Anti-Aircraft Brigade | UK |
| Aug 42 | |
4 Anti-Aircraft Division, 33 Anti-Aircraft Brigade | UK |
| Sep 42 |  |
War Office Reserve | UK |
| Nov 42 |  |
Allied Forces HQ | N Africa |
| Sep 43 |  |
8 Army | Italy |
| Nov 44 | Became 63 Garrison Regiment |
Batteries
| Oct 40 | 188, 189, 190 |
| Oct 41 | 188, 189, 190, 287 |
| Feb 42 | 188, 189, 190, 457 |
| Jul 42 | 188, 189, 190 |