> Transport Secretary Sean Duffy says the FAA "issued a nationwide ground stop for all US airports following a communication issue impacting all Air Route Traffic Control Centers.
Godspeed for everyone getting to where they need to be, somehow, or at least ending tonight with a roof over your heads.
edit: we're on approach into Seattle, so apparently we were one of the happy cases of the "case-by-case basis."
Most airliners over the ocean also have inmarsat satphones for the pilots.