The 112 (Wessex) Field Regiment RA (TA) was formed in July 1939 with the two Wiltshire batteries from 55 Field as a duplicate of 55 Field Regiment at Swindon. In March 1941 a third battery was formed at Sarre in Kent. In 1940 they were stationed in East Kent where they remained for the next 4 years. The Regiment went to Normandy after D-Day and took part in several operations there including Operations Epsom and Bluecoat. After crossing the River Seine it took part in Operatiom Market Garden, the battle for Arnhem. It then took part in a number of operations across Germany Including the Rhine crossings, until the end of the war. Post war 112 (Wessex) Field Regiment RA (TA) went into suspended animation in April 1945 and was re-constituted as 312 (Wessex) Medium Regiment RA (TA) 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)
| 3 Sep 39 |  |
43 Infantry Division | Swindon, Wiltshire, UK |
| Sep 39 | |
43 Infantry Division | Baldock, Bedfordshire, UK |
| Mar 40 | |
43 Infantry Division | Glastonbury, Somerset, UK |
| Jun 40 | |
43 Infantry Division | Salibury Plain, Wiltshire, UK |
| Aug 41 | |
43 Infantry Division | Broadstairs, Kent, UK |
| Sep 41 | |
43 Infantry Division | Sturry, Kent, UK |
| Oct 41 | |
43 Infantry Division | Margate, Kent, UK |
| Dec 41 | |
43 Infantry Division | Sittingbourne, Kent, UK |
| Oct 42 | |
43 Infantry Division | Sandwich, Kent, UK |
| 24 Jun 44 | |
43 Infantry Division | Gold Beach, Normandy, France |
Batteries
| Jul 39 | 217, 220 (Wiltshire) |
| Mar 41 | 217, 220, 477 |