> They had very, very good situational awareness about what was overhead and when, and established & practiced procedures on sanitizing things before anything got to where it could image the site.

Sure, but surely that was then and now is now.

Surely in today's world, you are increasingly fighting a loosing battle if you think you can play whack-a-mole with things passing overhead ?

With every day, week and year that passes, more and more things get launched into space by both friend and foe.

If you continue operating on the premise that you think you can hide every time a non-national satellite passes overhead then surely you are only playing a loosing game where eventually you can't get any work done because you're hiding all the time from birds overhead ?

A bit like checkmate in chess. Eventually the king is surrounded and can't go anywhere without being intercepted.