The black boxes retrieved from the American Airlines plane and the military helicopter that collided over the Potomac River near Washington D.C. have been retrieved and are being reviewed.

The Army is telling The Associated Press that military air traffic controllers lost contact with an Army helicopter for about ...

The initial focus of the military investigation is on the altitude of the helicopter at the time of the crash and the communications between air traffic control and the helicopter, U.S. defense ...

The plane carried 60 passengers and four crew. Three soldiers were aboard the helicopter. One air traffic controller was doing work normally assigned to two people in the tower at Reagan National ...