55 (Suffolk & Norfolk Yeomanry) Anti-Tank Regiment RA (TA) was converted from 108 Field Regiment with four batteries in November 1938. The Regiment was put in suspended animation in December 1946. In January 1947, 55 (Suffolk & Norfolk Yeomanry) Anti-Tank Regiment RA (TA) was re-constituted as 308 (Suffolk Yeomanry) Anti-Tank Regiment RA (TA).
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 changed to Suffolk Yeomanry November 1942)
| 3 Sep 39 |  |
54 (East Anglian) Infantry Division | Swaffham, Norfolk, UK |
| Sep 42 |  |
79 Armoured Division | UK |
| Apr 43 | Home Forces | UK | |
| Jul 43 |  |
49 Infantry Division | Leeds, Yorkshire, UK |
| Jul 43 | |
49 Infantry Division | Sorn Castle, Ayrshire, UK |
| Dec 43 | |
49 Infantry Division | Gorleston, Norfolk, UK |
| 12 Jun 44 | |
49 Infantry Division | Rauray, France |
Batteries
| 3 Sep 39 | 217, 218, 219, 220 |
| Mar 41 | 217, 218, 219, 285 – (220 to independent role) |
| Oct 41 | 217, 218, 219, 296 |
| Dec 41 | 217, 218, 219 |
| Jun 43 | 217, 218, 219, 332 |
| Oct 43 | 217, 218, 219, 220 |
Equipment
| Jan 43 | Each Battery 8 x 6 pdr, 4 x 17pdr guns (in 3 Troops of 4) |
| Jan 44 | Each Battery 4 x 6 pdr, 8 x 17pdr guns (in 3 Troops of 4) |
| Oct 44 | Each Battery 4 x 6 pdr, 3 x 17pdr guns, 3 x 17 pdr Self Propelled Archer |