Brize, Waddo, High Wycombe, Northolt, Cranwell, Benson/Odiham*, Lossie, Halton, Conningsby & Valley?
And that's without Akrotiri and Mount Pleasant (does the latter count?)
One assumes - dangerous! - that the various bombing ranges are safe? Or are all wars going to be virtual as in Star Trek's 'A Taste of Armageddon'? In which case they can all go. Although given the cost of govt. computer systems it'd be more expensive than the real thing.
*can't see them both surviving.