A U.S. Army Black Hawk helicopter and an American Airlines regional jet collided midair over Washington, D.C., late Wednesday, crashing into the Potomac River with ,
no survivors.American Airlines Flight 5342 was en route to Reagan National Airport when it struck the UH-60 Black Hawk, which was on a sensitive government mission. The crash has raised concerns over airspace coordination between military and civilian aviation authorities. Investigators are working to determine the cause of the disaster.
