A military helicopter was carrying out a secretive training mission when it collided with an American Airlines passenger jet, the details of which are mostly “classified,” officials

The Army’s Black Hawk helicopter was performing “doomsday” training when it collided with an American Airlines jet above Washington, D.C. on Wednesday, according to a new report. The helicopter was flying a route that’s part of a military plan to evacuate senior government officials to safety if the U.