187 Field Regiment RA was formed from personnel in 3 Infantry Division in December 1942 at Napier Barracks with three batteries. 187 Field Regiment RA was disbanded in June 1943 to re-form 5 Field Regiment.
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 42 | Formed from 3 Division | Shorncliffe, Kent, UK | |
| Dec 42 | Home Forces | UK | |
| Apr 43 |  |
47 Infantry Division | UK |
| Jun 43 | Disbanded | New Arlesford, Hampshire, UK |
Batteries
| Dec 42 | P, Q, R |
| Jan 43 | 195, 196, 197 |