The Army pilots were juggling dark skies, low altitude, a busy airspace and a cockpit without certain traffic detectors ...

A US Army helicopter was flying higher than permitted limits when it collided in midair with an American Airlines Group Inc.

and a military helicopter near Ronald Reagan Washington National Airport. The collision occurred moments before the jet was set to land, sending both aircraft into the Potomac River. Rescue crews ...

The United States Army's Improved Turbine Engine Program (ITEP) team reached a major milestone in their mission to amplify ...