https://uk.news.yahoo.com/sonic-booms-shake-homes-yorkshire-214040730.html

'sonic booms' gill, what do you think? see previous notes....anyway, gill - you simply need to be aware of it...not 'on top of it'...go figure...

and 'scrambling' elsewhere - go figure:


https://uk.news.yahoo.com/fighter-jets-intercept-british-airways-flight-022619339.html