完了完了，All US Domestic Flights Grounded

[TofE]

Major US airports reported delays after a system failure at the Federal Aviation Administration (FAA) grounded flights on Wednesday.

The FAA said its Notice to Air Missions system (NOTAM), which issues essential notices to pilots and flight personnel, had failed.

[Terminal-1]

我觉着大可能是收到了恐袭的情报。