I don't think anyone is absolutely certain that Marham is 'safe' just yet. The great thing about aircarft is that they are mobile....
Has anyone thought that they could move the Tornados back to Cottesmore?
The only certainty is that
nothing is certain anymore.....
There's certainly an awful lot of BAE's finest engineers now based at Marham. Can't see too many of them wanting to move to Lossie. Cottesmore may be a different story however as it's closer to 'home' over in Blackpool, but I think the 4 hangars of CMU(F) may be a bit expensive to move (again) for only a few years before they are no longer needed.