A ‘New York Times’ investigation into the Jan. 29 midair collision between an American Airlines passenger jet and a U.S. Army Black Hawk helicopter found that the captain who was flying the military aircraft was not suffering from any medical impairment.

A new report by The New York Times breaks down the missteps that led to the deadly DCA plane crash in January.

A chilling new report reveals that only seconds before the Black Hawk slammed into the American Airlines passenger plane, the pilot of the military chopper failed to execute a critical final command – a move