Investigators are piecing together why a passenger jet and military helicopter collided in the skies near Washington, D.C., killing all 67 on board both aircraft.
A deadly collision between a commercial jet and an Army helicopter is bringing renewed focus on the federal agency charged ...
Authorities are combing the Potomac River for a second day in search of victims and more clues behind the deadliest U.S. air ...
The National Transportation Safety Board is an independent federal agency tasked with examining serious transport-related ...
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