85 (City of London) Medium Regiment RA(TA) was converted from 53 (City of London) Heavy Anti-Aircraft Regiment RA(TA) in August 1944. It was initially designated A Medium Regiment but re-designated a week later as 85 Medium. The Regiment went into suspended animation in March 1946 and was reconstituted as 453 (City of London) Heavy Anti-Aircraft Regiment RA(TA) in January 1947.
| Aug 44 | Formed from 53 Heavy Anti-Aircraft Regiment | Poona, India |
| Aug 44 | 9 Anti-Aircraft Brigade | Secunderabad, India |
| Dec 44 | RA Training HQ 40 | Ranchi, India |
| May 45 | 59 Army Group RA | India |
Batteries
| Aug 44 | 157, 158 |
