Divers are set to resume operations on the Potomac River following a tragic midair collision that claimed 67 lives. Investigation focuses on air traffic control and pilot decisions. Both aircraft's recordings are under review as search continues for helicopter's black box amidst scrutiny over flight procedures and conditions.

A midair collision between an Army helicopter and an American Airlines flight killed all 67 people aboard the two aircraft, officials said Thursday, as they scrutinized the actions of the military pilot and reported that control tower staffing was “not normal” at the

A midair collision between an Army helicopter and an American Airlines flight from Kansas killed all 67 people aboard the two aircraft