| Group | Squadron | Base | County | Arrived | Comments |
|---|---|---|---|---|---|
| 12 | 98 | Hucknall | Nottinghamshire | 03/09/39 | Battle I, 06/38. |
| 6 | 98 | Scampton | Lincolnshire | 02/03/40 | |
| 6 | 98 | Finningley | Yorkshire | 19/03/40 | To AASF, 16/04/40 |
| AASF | 98 | Nantes-Chateau Bougon | France | 16/04/40 | Ex-6 Group. Reserve Squadron. |
| 98 | Gatwick | Surrey | 01/06/40 | Day of month arbitrary. To Coastal Command, 07/40. | |
| 2 | 98 | Foulsham | Norfolk | 15/10/42 | Reformed. Mitchell II, 10/42. Mitchell, 10/42. To 2TAF, 01/06/43. |