A collision between an American Airlines passenger jet and an Army helicopter near Washington, D.C., that killed 67 people brought renewed focus on the federal agency charged with investigating aviation disasters.

Federal leaders are launching an investigation into the deadly plane crash that happened late Wednesday night in Washington, D.C. President Donald Trump says his administration is working to get answers and he's suggesting diversity policies may be to blame.

Over the next year or more, NTSB investigators will piece together how a passenger jet and Black Hawk military aircraft collided in Washington, D.C.