HQ 1 Anti-Aircraft Command Demonstration & User Trials (Mixed) Anti-Aircraft Regiment RA was formed in April 1944 at Minster, Sheppey. The Regiment commenced disbandment in February 1946 at Bell Farm, Minster, Sheerness.
| Apr 44 | Formed | Sheppey, Kent, UK |
| Mar 46 | Disbanded | Sheerness, Kent, UK |
Batteries
| Apr 44 | 628 (Mixed) Heavy Anti-Aircraft Battery, X Heavy Anti-Aircraft Troop, 371 Light Anti-Aircraft Battery |