139 (Mixed) Heavy Anti-Aircraft Regiment RA(TA) was formed at Rotherham in December 1941. The Regiment was disbanded in May 1945 at Ticknall near Derby.
| Dec 41 | Formed | Rotherham, Yorkshire, UK |
| Jan 42 | 62 Anti-Aircraft Brigade, 10 Anti-Aircraft Division | West Yorkshire, UK |
| Aug 42 | 65 Anti-Aircraft Brigade, 10 Anti-Aircraft Division | West Yorkshire, UK |
| Aug 43 | 32 Anti-Aircraft Brigade, 5 Anti-Aircraft Group | Derbyshire, UK |
| Feb 44 | 63 Anti-Aircraft Brigade, 5 Anti-Aircraft Group | Nottinghamshire, UK |
| Nov 44 | 101 Anti-Aircraft Brigade | Brussels, Belgium |
| May 45 | Disbanded | Ticknall, Derbyshire, UK |
Batteries
| Dec 41 | 483 (Mixed), 484 (Mixed), 485 (Mixed) |
| Feb 41 | 483 (Mixed), 484 (Mixed), 485 (Mixed), 518 (Mixed), 519 (Mixed), |
| Jun 41 | 483 (M), 484 (M), 485 (M), 518 (M) |
| Aug 43 | 483 (M), 484 (M), 485 (M), 518 (M), 668 (M) |
| Feb 44 | 483 (M), 484 (M), 485 (M), 518 (M) |
| Nov 44 | 483 (M), 484 (M), 485 (M) |
