| Oct 43 | Formed | |
| Oct 43 | Middle East Forces | N Africa |
| Nov 43 | Disbanded |
Batteries
| Oct 43 | A & B Field Batteries |
26 Defence Regiment RA
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.
| Jun 41 | Formed from 17 Defence Regiment | ||
| Jun 41 |  |
HQRA, Malta Command | Malta |
| Sep 43 | Became 26 Medium Regiment |
Batteries
| Jun 41 | 15/40, 48/71 |
| Aug 41 | 15/40, 48/71, 13 (Royal Malta Artillery) |
| Jun 42 | 15/40, 48/71 |
18 Defence Regiment RA
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.
| Apr 41 | Formed from The Mobile Defence Regiment | ||
| Apr 41 |  |
Gibraltar Command | Gibraltar |
| Mar 44 | Disbanded |
Batteries
| Apr 41 | 973, 974, 975 |
17 Defence Regiment RA
| Feb 41 | Formed from 13 Mobile Coast Regiment | ||
| Feb 41 | |
HQRA, Malta Command | Malta |
| Jun 41 | Became 26 Defence Regiment |
Batteries
| Feb 41 | 15, 40, 48, 71 |
16 Defence Regiment RA
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.
| Feb 41 | Formed from 10 Mobile Coast Regiment | ||
| Feb 41 |  |
Malaya Command | Malaya |
| Feb 42 | Captured at Singapore |
Batteries
| Feb 41 | 966 (RA), 967 & 968 (HKSRA) 965 in Hong Kong captured 25 Dec 41 All batteries used in beach defence |
Equipment
| Feb 41 | 965, 966 & 968 – 18 pdrs: 967 2 pdrs |
15 Defence Regiment RA
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 | Alcester, Warwickshire, UK | |
| Oct 40 |  |
Western Command | Warwickshire, UK |
| Jan 42 | Disbanded |
Batteries
| Oct 40 | 962, 963, 964 |
14 Defence Regiment RA
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 | Swansea, UK | |
| Oct 40 | |
Western Command | South Wales, UK |
| Jan 42 | Became 177 Field Regiment |
Batteries
| Oct 40 | 959, 960, 961 |
| Jun 41 | 960, 961, 964 |
RAF St Athan was the base for 959 Battery from November 1940 to June 1941
960 Battery took over and absorbed 959 from June 1941 until the Regiment converted to a field regiment
Equipment
| Nov 40 | 4 x 6 pounder Hotchkiss Guns |
| Jan 41 |
2 x 6 pounder Hotchkiss Guns 2 x 13 pounder Guns |
13 Defence Regiment RA
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 | Hightown, Lancashire, UK | |
| Oct 40 | |
Western Command | Lancashire, UK |
| Apr 41 | Disbanded |
Batteries
| Oct 40 | 957, 958 |
| Mar 41 | 957 |
12 Defence Regiment RA
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 | Dunster, Somerset, UK | |
| Oct 40 |  |
Southern Command | Somerset, UK |
| Jan 42 | Disbanded |
Batteries
| Oct 40 | 955, 956 |
11 Defence Regiment RA
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 | Bude, Cornwall, UK | |
| Oct 40 | |
Southern Command | Cornwall, UK |
| Jan 42 | Became 176 Field Regiment |
Batteries
| Oct 40 | 951, 952, 953, 954 |
| Mar 41 | 952, 953, 954 |