What are Black Hawk helicopters and how are they used? What to know after the D.C. aircraft crash
The military helicopter that collided with a regional jet near Ronald Reagan Washington National Airport, in a crash that ...
NBC Washington8d
What are Black Hawk helicopters and how are they used? What to know after the DC aircraft crash
Nearly two years ago, two Black Hawk helicopters from Fort Campbell, Kentucky, collided during a training exercise, killing all nine soldiers aboard them. That crash and a second fatal collision ...