What are Black Hawk helicopters and how are they used? What to know after the D.C. aircraft ...
The military helicopter that collided with a regional jet near Ronald Reagan Washington National Airport, in a crash that ...
Investigation into deadly midair collision focuses on helicopter flight
What happened inside the Army Black Hawk helicopter in the moments before the fatal crash is key to unraveling the disaster ...
Families mourn 67 killed in Army helicopter collision with American Eagle jet
All 67 people aboard an American Eagle flight from Kansas and an Army helicopter were killed in a collision Wednesday night ...