U.S. authorities restricted helicopter flights near Reagan Washington National Airport on Friday, after a midair collision ...

There's still a lot we don't know and initial speculation from the media and the president about the causes of Wednesday's ...

After the deadly collision between a passenger plane and a U.S. Army helicopter in Washington, D.C., politicians and ...

The training plan was for a continuity of government mission in which U.S. leaders need an emergency evacuation to safety in the event of a major attack.

Radio traffic shows the air traffic controller did confirm with the helicopter that it had the airplane in sight two different times.

Investigators have announced that the black box from the Army Black Hawk helicopter that collided with a commercial jetliner has been recovered.

U.S. authorities restricted helicopter flights near Reagan Washington National Airport on Friday, after a midair collision ...

Just a day before a deadly midair collision at Reagan National Airport outside Washington, D.C., employees at the Federal ...

Internal government reports and public databases highlight several instances in which planes narrowly escaped collisions with ...

The Army identifiies two soldiers aboard the Black Hawk that collided midair with American Airlines plane on Wednesday. Third ...

What happened inside the Army Black Hawk helicopter in the moments before the fatal crash is key to unraveling the disaster as plane collision investigations begin.