Is the Brit version equipped with a centreline drogue?
Approx 5 of the FSTA will be capable of being fitted with FRUs for centre line refuelling.
FSTA using A330 wings - Pods hung from points where Engines 1 and 4 would be if it was an A340 wing, but with the A330 wing appropriately modified. (Possibly why the RAAF specifically ordered A340 wings).
The A330 as made by Airbus has effectively the same wing as the A340. The basic plan of bolting the pods where the 1 & 4 engine would go almost worked but the engineering was slightly more complicated than first thought.