many moons ago Upper Heyford had a mandatory radio area
Yes, run by the 'Mericans. Very amusing.
Them: Golf Zulu Zulu you're not painting'
Us (in a Jodel) 'Yes, that's 'cos we're made of wood!'
Sometime later, crossing the UHMRA, saw a F111 crossing just above and ahead. Quickly looked around and sure enough, there was the second one, just below and passing underneath. No, our 'friend' from across the Atlantic hadn't advised us of either...
TOO