I live under the regular flight path of low level Tornados, C130s & recently Eurofighters & am well aware that when one of them rips the tiles off the house, his mate will not be far behind.
I am a low hrs NPPL & often spend some time in this area usually around 1500ft with my daughter in the RH seat. We recently came over here & I elected to remain on the departure airfield freq, partly cos we were not going to be long, partly cos it is also on the inbound track for most of the traffic to "home base" & partly cos I may have got lower than I should & didn't want a "telling off"

.
I felt as though I was over enemy territory, constantly looking to the North where they always come from. This was the first time I have not changed freq to either FIS or the Millitary & I think it will be the last. I cannot understand the reasoning behind "You don't have to speak to any one outside CAS". This may be true. It could also be "famous last words". Prudence is a better bet in my opinion.
Edit: I don't know where Shirley works but she Shirley has helped me once or twice.
Please don't any-one say "keep a good lookout" I do, but those guys are designed not to be seen.