The crew of the Army Black Hawk helicopter involved in the deadly collision with a jetliner had thousands of hours of flight ...
A regional jet carrying 64 people collided with an Army Black Hawk helicopter. Reagan National Airport grounded all flights.
The service is often responsible for ferrying lawmakers and other V.I.P.’s across the area, and near Reagan National Airport.
It came down in the Potomac River, officials said, and search and rescue boats have been deployed to the area.