Of course it would be cost effecient. The cost to human lifes isnt quantifiable.
Nope, the UK does not fit the requirement. The terrain is wrong, the weather precludes LF for the most part and there are too many innocent tax payers going about their daily business who tend to get in the way.
So, where shall we go? someone has already mentioned the USA / Canada. Any other suggestions? Northern Spain would be good. I did an Ex based at Zarragozza a few years ago - gotta be the longest runway in NATO there.