What to know about the NTSB and the investigation into the DC midair tragedy
A collision between an American Airlines passenger jet and an Army helicopter near Washington, D.C., that killed 67 people ...
National Transportation Safety Board provides updates on plane, helicopter collision in Washington D.C.
CBS News confirmed only one air traffic control worker was managing the helicopters when the crash between a military helicopter and passenger plane occurred in Washington D.C. That is a job normally ...