Sixty-four people aboard a commercial airliner died Wednesday night after it collided with a military helicopter midair near Reagan Washington National Airport. Both the American Eagle jet and Army Black Hawk are in the Potomac River.

The midair collision Wednesday night between a regional American Airlines passenger jet and a Black Hawk military helicopter over the Potomac River near Washington, D.C., was "absolutely" preventable,

The FAA and NTSB have launched an investigation into how an American Airlines flight collided with a military helicopter over the Potomac River.