115 (North Midland) Field Regiment RA (TA) was formed in April 1939 with two batteries. It was formed as a duplicate of 60 Field Regiment. In February 1941 a third battery was formed. Post war 115 (North Midland) Field Regiment RA (TA) went into suspended animation in September 1945. The Regiment was re-constituted as 315 (Leicestershire) 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)
| Apr 39 |  |
Northern Command | Leicester, Leicestershire, UK |
| Nov 39 | Home Forces | Bordon, Hampshire, UK | |
| Mar 40 | British Expeditionary Force | Yvetot, France | |
| Apr 40 | GHQ Reserve | Bapaume, France | |
| May 40 |  |
48 Infantry Division | Enghien, Belgium |
| May 40 | British Expeditionary Force | Dunkirk, France | |
| Jun 40 | Home Forces | UK | |
| Dec 40 | Norfolk County Division | Loddon, Norfolk, UK | |
| Oct 41 |  |
Lincolnshire County Division | Sleaford, Lincolnshire, UK |
| May 42 |  |
19 Indian Division | Bangalore, India |
| Jun 42 |  |
20 Indian Division | India |
| Jul 42 | |
20 Indian Division | Ceylon (Sri Lanka) |
| Jul 43 | Ceylon Area | Ceylon (Sri Lanka) | |
| Nov 43 | 160 Line of Communication | India | |
| Dec 43 | |
19 Indian Division | India |
| Oct 44 | |
19 Indian Division | Burma (Myanmar) |
| Dec 44 | |
19 Indian Division | Chindwin River, Burma (Myanmar) |
| Mar 45 | |
19 Indian Division | Mandalay, Burma (Myanmar) |
| Sep 45 | Suspended animation | Rangoon |
Batteries
| Apr 39 | 238 (Leicester), 240 (Nottinghamshire RHA) |
| Feb 41 | 238, 240, 480 |
| Aug 41 | 239, 240, 480 |
Equipment
| Sep 39 | 24 x 18 pdrs |
| Dec 40 | 8 x 75 mm Guns, 4 x Portee lorries, 4 x 15 cwt Gun Towers |
| Jul 42 | 24 x 25 pdr |
| Nov 44 | 25 pdr + Quads |