Open radio freqs & the fact that people do notice the odd F3 leaving its base late at night, not to mention the VC10 that may well have woken up everyone within a 2 mile radius!
That said, we should not be placing info on here whilst QRA Ops are ongoing. It may seem like unnecessary Opsec however, it is actually a mind set that should be applied to everything we do and a lapse here, could also become a lapse out in theatre.
It's not our little pink bodies in the jets.