A hotline between the Pentagon and DCA airport hasn't worked since 2022, FAA says
"We were not aware of the hotline's status before the incident, but became aware after the event, and are now insisting it be fixed before operations resume."
In New Column, Getting Serious About Creatures Close to Home
I have written about how ants and orcas respond to death, for example, and how many species have communication systems that are far more complex than humans have long given them credit for.