| Group | Squadron | Base | County | Arrived | Comments |
|---|---|---|---|---|---|
| 6 | 10OTU | Abingdon | Berkshire | 08/04/40 | Formed from No.166 Squadron and No.97 Squadron. To 91 Group 11/05/42. |
| 91 | 10OTU | Abingdon | Berkshire | 11/05/42 | Ex-6 Group. |
| 19 | 10OTU | St. Eval | Cornwall | 04/08/42 | Operational detachment to Coastal Command, No. 19 Group. Returned 23/07/43. |
| 6 | 10OTU | Stanton Harcourt | Oxfordshire | 03/09/40 | Satellite. To 91 Group 11/05/42. |
| 6 | 10OTU | Mount Farm | Oxfordshire | 23/07/41 | Satellite. Moved 12/02/42. |
| 91 | 10OTU | Stanton Harcourt | Oxfordshire | 11/05/42 | Ex-6 Group. Satellite. |