Here are 10 key things to know about the Black Hawk helicopter involved in the incident, its capabilities, and the mission it was conducting at the time of the crash.

For the latest updates on victim recovery efforts, please read USA TODAY's live coverage of the plane crash investigation on ...

The military helicopter that collided with a regional jet near Ronald Reagan Washington National Airport in a crash that ...

Police boats have returned to the Potomac River as part of the recovery and investigation after the United States’ deadliest ...