Officials have positively identified 55 of the 67 people killed in Wednesday's midair collision between an American Airlines passenger jet and a military helicopter over the Potomac River in Washington,

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.