That is correct. I'm talking about Taiwan defending itself. US air would come from Okinawa, Guam, and aircraft carriers parked outside China's hypersonic missil

That is correct. I'm talking about Taiwan defending itself. US air would come from Okinawa, Guam, and aircraft carriers parked outside China's hypersonic missile defense range (which, BTW, can travel that far only if they have a firing solution, which at such distances will be difficult to establish).