175 Field Regiment RA was formed from 10 Defence Regiment RA in January 1942 at Tiverton with three batteries. The Regiment was disbanded in February 1943 at Blandford Camp, Dorset and reformed in July with four batteries. It was now a Reserve unit training replacements for units on active service. In December 1943 it became a Holding unit for personnel temporarily unattached to any unit. 175 Field Regiment RA was disbanded in April 1946.
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.
| Jan 42 | Formed from 10 Defence Regiment | Tiverton, Devon, UK | |
| Jan 42 | Home Forces | UK | |
| Jul 42 |  |
77 Infantry Division | UK |
| Dec 42 | Home Forces | UK | |
| Jan 43 | RHQ disbanded Batteries to 176 Field Regiment |
Blandford, Dorset, UK | |
| Jul 43 | Re-formed | Gosforth, Tyne & Wear, UK | |
| Jul 43 | |
77 Infantry Division | UK |
| Dec 43 | |
77 Holding Division | UK |
| Aug 44 |  |
45 Holding Division | UK |
Batteries
| Jan 42 | A, B, C |
| Mar 42 | P, Q, R |
| Jan 43 | 162, 163, 164 |
| Jul 43 | 145, 165, 166, 167 |