Lethen is an estate, to the south on Nairn. The estate is on the edge of Darnaway Forest.
The OB was possibly in the private estate at Lethen.
Most likely targets were RAF Stations at Inverness, (RAF Dalcross) and RAF Brackla also the main road and rail networks in the area.
It is thought training most likely took place at Blairmore House in Huntly.
TNA ref WO199/3388 201 Bn rolls.
Hancock report held at B.R.A