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

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.

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

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 ...

A former helicopter pilot familiar with the incident area says city lights, crowded airspace and the use of night vision equipment by military pilots make for a hectic operating environment.

J. Todd Inman, a member of the NTSB, gives a press briefing Thursday on Wednesday night’s fatal crash between an ...

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

Leaders of manufacturers such as Amphenol, General Dynamics, Lockheed Martin and Electric Boat said they'll be ready for changes enacted in Trump's second term.

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

A Washington, D.C.-area helicopter pilot says Army Black Hawk was flying published route and on appropriate radio frequency.