No clear reason yet for Washington air disaster that killed 67, officials say
Authorities say it is not yet clear why a jet crashed into an Army helicopter, killing 67 people in the deadliest US air ...
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'Puts us in limbo': All air traffic controllers resign at 'hugely important' airport
One California airport is now without any air traffic controllers, and it's unclear when the airport will be able to replace them. The San Francisco Chronicle reported Thursday that beginning this ...