The Army Black Hawk helicopter involved in the fatal midair collision near Reagan National Airport last week had an advanced tracking system turned off at the time of the incident, according to Sen.

Investigators have yet to determine whether the crew of an Army helicopter was wearing the devices when the Black Hawk crashed into a civilian airliner last week. By Mark Walker and John Ismay ...

The crash killed at least 28 people, with the rest aboard feared dead, after the plane collided with a U.S. Army helicopter Andrew Harnik/Getty Defense Secretary Pete Hegseth said the pilots aboard ...

The crash of a Marine helicopter, like the one shown, that killed five Marines was ultimately caused by pilot error, but night vision goggles and unsafe flying conditions also likely were factors, ...

WASHINGTON — The crash of a Marine Corps helicopter last year that killed five service members was ultimately caused by pilot error, but the use of night vision goggles and unsafe flying conditions ...