15 (Isle of Man) Light Anti-Aircraft Regiment RA (TA) was formed with two batteries at Douglas, in July 1938. It moved to North Africa in January 1941. Serving in Italy in 1943, it then went to France with 7 Armoured Division in June 1944. The Regiment was placed in suspended animation in February 1946. 15 (Isle of Man) Light Anti-Aircraft Regiment RA (TA) was re-constituted as 515 (Isle of Man) Light Anti-Aircraft 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.
| Sep 39 |  |
Western Command | Douglas, Isle of Man |
| Jan 41 |  |
British Troops Egypt | N Africa |
| Feb 41 |  |
2 Support Group | N Africa |
| Feb 41 | 1 Armoured Brigade | Greece | |
| May 41 | |
British Troops Egypt | N Africa |
| Aug 41 |  |
Middle East Forces | N Africa |
| Jun 42 |  |
8 Army | N Africa |
| Aug 42 |  |
7 Armoured Division | N Africa |
| Sep 43 | |
7 Armoured Division | Italy |
| Jan 44 | |
7 Armoured Division | UK |
| Jun 44 | |
7 Armoured Division | NW Europe |
Batteries
| Sep 39 | 41, 42, 129 |
| Jul 41 | 41, 42 |
| Oct 43 | 1, 41, 42 |