This data point is one of several key mysteries investigators are exploring as they seek to explain what caused the nation's ...

Sixty passengers and four crew members from the plane and three Black Hawk helicopter personnel are feared dead as a recovery ...

The military helicopter that collided with a regional jet near Ronald Reagan Washington National Airport, in a crash that ...

The crew of the Army Black Hawk helicopter involved in the deadly collision with a jetliner had thousands of hours of flight ...

An Army Black Hawk helicopter collided midair with an American Airlines flight from Wichita, Kansas, at Reagan National ...

Ronald Reagan Washington National Airport will be closed until at least 5 a.m. ET Friday after a crash involving a passenger ...

An Army Black Hawk helicopter collided with a regional jet near Ronald Reagan Washington National Airport on Wednesday evening, U.S. officials confirmed to ABC News.

Multiple fatalities have been reported after a horrific incident involving American Airlines flight 5342 and a U.S. Army ...

Defense Secretary Pete Hegseth calls the deadly aircraft collision involving a Black Hawk and a civilian airliner "a tragedy" in a statement obtained exclusively by Fox News.

Defense Secretary Pete Hegseth said that the military has identified the three soldiers killed in the Black Hawk collision over the Potomac River.