89 (3rd West Lancashire) Field Brigade RA(TA) was converted to 70 (3rd West Lancashire) Anti-Aircraft Brigade RA(TA) in October 1937. It was re-designated as 70 (3rd West Lancashire) Anti-Aircraft Regiment RA(TA) in January 1939 and became Heavy Anti-Aircraft in June 1940. It converted to 70 (3rd West Lancashire) Medium Battery in August 1944. The Battery was part of “C” later 87 Medium Regiment RA. The Battery was placed in suspended animation and was reconstituted as 470 (3rd West Lancashire) Heavy Anti-Aircraft Regiment RA(TA) in January 1947.
| Sep 39 | 33 Anti-Aircraft Brigade, 4 Anti-Aircraft Division | Liverpool, Merseyside, UK |
| May 41 | 44 Anti-Aircraft Brigade | Manchester, UK |
| May 42 | 3 Indian Anti-Aircraft Brigade less 216 Battery in Bombay |
Madras, India |
| Jul 42 | 3 Indian Anti-Aircraft Brigade less 212 Battery in Madras |
Bombay, India |
| Dec 42 | 2 Indian Anti-Aircraft Brigade RHQ & 216 Battery |
Asansol, India |
| Mar 43 | 1 Indian Anti-Aircraft Brigade RHQ, 212 & 216 Batteries |
Calcutta, India |
| Apr 43 | 3 Indian Anti-Aircraft Brigade less 216 Battery in Calcutta |
Bombay, India |
| Nov 43 | 13 Indian Anti-Aircraft Brigade | Chittagong, India |
| May 44 | 101 Lines of Communication | Ranchi, India |
| Jul 44 | 9 Anti-Aircraft Brigade | Poona, India |
| Aug 44 | Reduced to battery strength & became 70 Medium Battery in 87 Medium Regiment |
Batteries
| Sep 39 | 211 (13 W Lancs), 212 (27 W Lancs), 216 (14 W Lancs), 309 |
| Aug 41 | 211, 212, 216, 434 |
| Mar 42 | 211, 212, 216 |
