| Group | Squadron | Base | County | Arrived | Comments |
|---|---|---|---|---|---|
| 6 | 7 | Doncaster | Yorkshire | 03/09/39 | Anson I, 03/39. Hampden I, 04/39. |
| 6 | 7 | Finningley | Yorkshire | 15/09/39 | |
| 6 | 7 | Upper Heyford | Oxfordshire | 23/09/39 | Became No.16OTU, 08/04/40. |
| 6 | 7 | Finningley | Yorkshire | 30/04/40 | Reformed. Disbanded 20/5/40 |
| 3 | 7 | Leeming | Yorkshire | 01/08/40 | Reformed. Stirling I, 08/40. |
| 3 | 7 | Oakington | Cambridgeshire | 29/10/40 | To 8 Group, 15/08/42. |
| 8 | 7 | Oakington | Cambridgeshire | 15/08/42 | Ex-3 Group. Stirling III, 03/43. Lancaster I, 05/43. Lancaster III, 05/43. To 3 Group, 24/07/45. |
| 3 | 7 | Mepal | Cambridgeshire | 24/07/45 | Ex-8 Group. |