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.

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

With officials saying no one has survived the crash, efforts have since shifted to recovering bodies in Potomac River.

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

A former helicopter pilot familiar with the incident area says city lights, crowded airspace and the use of night vision ...

Before the deadly collision at Ronald Reagan Washington National Airport on Wednesday, Delta Air Lines lobbied Congress to ...

There appeared to be some issues between airplanes landing at Reagan National Airport and military helicopters a week leading to ...

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

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

Here are 10 key things to know about the Black Hawk helicopter involved in the incident, its capabilities, and the mission it was conducting at the time of the crash.

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.