187 (Mixed) Heavy Anti-Aircraft Regiment RA(TA) was formed at Whiston Grange, Sheffield in January 1943. The Regiment was disbanded in May 1945 at Billingham.
| Jan 43 | Formed | Sheffield, Yorkshire, UK |
| ??? | 57 Anti-Aircraft Brigade | UK |
| Oct 44 | 30 Anti-Aircraft Brigade, 5 Anti-Aircraft Group | Eastern England |
| May 45 | Disbanded | Billingham, Co. Durham, UK |
Batteries
| Mar 43 | 626 (Mixed), 644 (Mixed), 645 (Mixed), 646 (Mixed) |
| Feb 44 | 626 (M), 644 (M), 645 (M) |
