73 Light Anti-Aircraft Regiment RA(TA) was formed in February 1941 at Stanwell, with three batteries. The Regiment was disbanded in May 1945.
| Feb 41 | Formed | Stanwell, Middlesex, UK |
| Feb 41 | Home Forces | UK |
| Mar 44 | 2 Army | UK |
| Jun 44 | 2 Army attached 1 Corps | NW Europe |
| May 45 | Disbanded |
Batteries
| Feb 41 | 218, 220, 221 |
| Nov 41 | 218, 220, 296 |
| Feb 42 | 218, 220, 296, 466 |
| Jul 42 | 218, 220, 296 |
Equipment
| Jun 44 | 40mm Bofors Crusader Self Propelled |
