129 (Lowland) Field Regiment RA (TA) was formed in May 1939 with two batteries as a duplicate of 78 (Lowland) Field Regiment. It was employed on coastal defence in Essex from May 1940. A third battery was raised in January 1941 at Great Baddow, Essex. After mobile coast defence duties in Northumberland, the Regiment sailed for India in June 1942. Post war 129 (Lowland) Field Regiment RA (TA) went into suspended animation in February 1946 and was disbanded in January 1947.
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.
(Title authorised February 1942)
| May 39 |  |
15 Infantry Division | Edinburgh, UK |
| May 40 |  |
15 Infantry Division | Essex, UK |
| Nov 41 | |
15 Infantry Division | Wooler, Northumberland, UK |
| May 42 |  |
War Office Reserve | UK |
| Aug 42 |  |
70 Infantry Division | Ranchi, India |
| Nov 42 |  |
14 Indian Division | Chittagong, Bangladesh |
| Jan 43 |  |
17 Indian Division | Imphal, India |
| Sep 44 | |
17 Indian Division | India |
| Feb 45 | |
17 Indian Division | Burma (Myanmar) |
Batteries
| May 39 | 311 (Midlothian), 312 (5th City of Glasgow) |
| Jan 41 | 311, 312, 493 |
Equipment
| Sep 39 | 18 pdr Gun |
| Sep 41 | 24 x 25 pdr |
| Nov 43 | One battery moved its guns to Kennedy Peak by jury rigging jeep axles to the guns to negotiate the narrow tracks |