Here's what we know about Ryan Austin O'Hara, one of the soldiers aboard the helicopter presumed dead in Wednesday's crash.

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

Defense Secretary Pete Hegseth calls the deadly aircraft collision involving a Black Hawk and a civilian airliner "a tragedy" ...

The GE T901 engine was developed as part of the Improved Turbine Engine Program to replace the T700 engines used by U.S. Army ...

The Army helicopter and regional American Eagle jet that collided over Washington are both workhorse aircraft that operate ...

Here's what we know about Chief Warrant Officer 2 Andrew Loyd Eaves, one of the Black Hawk pilots presumed dead in Wednesday's crash.

A timeline of the Washington, D.C., plane crash on Jan. 29 details the moments before and after an American Airlines ...

As federal officials continue investigating what caused the deadliest U.S. air crash in almost a quarter century, ...

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.

Finding the probable cause of the fatal mid-air collision above the Potomac River next to Reagan National Airport rests  in ...

The black boxes from the American Airline jet that crashed into a US Army helicopter near Washington, DC, killing all 67 ...