The 1 Forward Observation Unit (Airborne) RA was formed in June 1944 at Shipton Bellinger, Hampshire. It served with 1 Airborne Division and was disbanded in November 1945.
| Jun 44 | Formed | |
| Jun 44 | 1 Airborne Division | UK |
| Sep 44 | 1 Airborne Division | Arnhem, Holland |
| Oct 44 | 1 Airborne Division | UK |
