FILE PHOTO: A crane retrieves part of the helicopter from the Potomac River, in the aftermath of the collision of American ...
In 1993, two U.S. Black Hawk helicopters were shot down over Mogadishu, resulting in an 18-hour battle that killed 18 ...
The NTSB said Army Black Hawk crew may not have heard a message to "pass behind" the D.C.-bound passenger plane before the Jan. 29 midair crash over the Potomac River.