178 Field Regiment RA was formed in January 1942 at Scarne Cross Camp with three batteries. In May 1942 the Regiment was assigned to 49 Infantry Division in Western Command. They went to India inJune 1943. The Regiment was re-designated as an Assault Field Regiment RA in August 1943. In January 1944 178 Regiment was involved in the 2nd Arakan Offensive, Burma. It was disbanded in November 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 | Launceston, Cornwall, UK | |
| Feb 42 | Home Forces | Cresselly, Pembrokeshire, UK | |
| May 42 |  |
49 Infantry Division | Cresselly, Pembrokeshire, UK |
| Jun 42 | |
49 Infantry Division | Harpton Court, Pembrokeshire, UK |
| Nov 42 | |
49 Infantry Division | Ulverston, Cumbria, UK |
| Dec 42 |  |
54 Infantry Division | Felixstowe, Suffolk, UK |
| Jun 43 |  |
33 Indian Corps | India |
| Jul 43 |  |
36 Indian Division | India |
| Feb 44 | |
36 Indian Division | Burma (Myanmar) |
| May 44 | |
36 Indian Division | Assam, India |
| Aug 44 | |
36 Indian Division | Shillong, India |
| Nov 44 | |
36 Infantry Division | Mawlu, Burma (Myanmar) |
| May 45 | |
36 Infantry Division | Poona, India |
| Jul 45 |  |
23 Indian Division | Nasik, India |
Batteries
| Jan 42 | 122, 366, 516 |
Equipment
| Jan 42 | 25 pdr Guns, 4.5 inch Howitzers (122 Battery) |
| Feb 42 | 24 x 18/25 pdr Guns, Guy Quad Ant Tractors |
| Nov 42 | 25 pdr Guns |
| Aug 43 | 122 Battery – 8 x M7 105mm Self Propelled Priest, 366 Battery – 6 (Later 8) x 3.7 inch Howitzers, 516 Battery – 8 x 25 pdr Re-designated 178 Assault Field Regiment |
| May 44 | 2 x batteries 25 pdr, 1 battery (366) 3.7 inch Howitzers |