Last month, an American Airlines passenger jet and an Army helicopter collided as the plane prepared to land at Washington ...
A preliminary analysis of the flight data and voice recorder on board a Black Hawk helicopter leading up to the collision ...
The NTSB gave an update on its investigation into the Potomac River crash between an American Airlines jet and an Army ...
The military wanted to test the electromagnetic impacts of nuclear weapons in space. In 1962 they lit up the sky.