1 Air Landing Anti-Tank Regiment RA was formed in March 1945 at Harrowby, Grantham with three batteries. It disbanded at Salisbury in November 1945.
| Mar 45 | Formed | Grantham, Lincolnshire, UK |
| Mar 45 | 1 Airborne Division | UK |
| May 45 | 1 Airborne Division | Norway |
| Aug 45 | 1 Airborne Division | UK |
Batteries
| Mar 45 | 1, 2, 5 |
