Ryan O'Hara, 29, was the crew chief of the Black Hawk helicopter that collided with the passenger plane, according to CBS News. He leaves behind a wife and one-year-old son, his local Reserve Officers' Training Corps (ROTC) program said in a social media post confirming his death.

Divers are expected to return to the Potomac River as part of the recovery and investigation after the United States’ deadliest aviation disaster in almost a quarter century