If you want a headstart dashing for safety, keep an eye on FlightRadar24 for excessive numbers of E-6 and E-4B aircraft. They're the ones that high ranking mil

If you want a headstart dashing for safety, keep an eye on FlightRadar24 for excessive numbers of E-6 and E-4B aircraft. They're the ones that high ranking military and other important people (e.g. president) will be in if there's an escalation.