146 (Pembroke & Cardiganshire) Medium Regiment RA (TA) was formed by the conversion of 146 Field Regiment in December 1943. It went into suspended animation in January 1946. 146 (Pembroke & Cardiganshire) Medium Regiment RA (TA) 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.
| Dec 43 | Formed from 146 Field Regiment | ||
| Dec 43 |  |
Middle East Forces | N Africa |
| Mar 44 | Home Forces | UK | |
| Apr 44 |  |
2 Army | UK |
| Jun 44 |  |
21 Army Group, 9 Army Group RA | NW Europe |
Batteries
| May 45 | 407, 408 |