During a press conference on Thursday morning, Transportation Secretary Sean Duffy said the crash was "absolutely" preventable.

An Army Black Hawk helicopter collided with a regional jet near Ronald Reagan Washington National Airport on Wednesday evening, U.S. officials confirmed to ABC News.

A timeline of the tragic collision between a commercial plane and a Black Hawk helicopter over the Potomac River, with insights into the ongoing investigation.

After a 60-passenger American Airlines flight and U.S. Army helicopter collided mid-air Jan. 29, a man shared the final text messages he received from his wife aboard the aircraft.

In a briefing that recalled his most extreme first term remarks, President Trump said without any evidence that diversity initiatives caused the midair collision.

Runway operations at the airport are expected to resume at 11 a.m. "The NTSB will lead the investigation. We are working with local officials and will provide any additional information once it becomes available," McLendon said. A source briefed on the search-and-rescue operation described a gruesome scene with large numbers of bodies recovered.

Transportation Secretary Sean Duffy said "there was communication" between the Black Hawk helicopter and the air control tower.

No one is expected to have survived a collision between an American Airlines plane and an Army helicopter Wednesday night near Ronald Reagan Washington National Airport, officials said.WHAT WE KNOW SO FAR» American Eagle Flight 5342 (Wichita,

Investigators confirmed they have recovered a cockpit voice recorder and a flight-data recorder from American Eagle Flight 5342, which will undergo analysis.

A passenger jet hit an Army helicopter with three soldiers as the plane got ready to land at Reagan National near Washington, D.C. The two aircraft went into the Potomac

An NTSB-led investigation is in full swing to identify factors that led to the Jan. 29 midair collision between an American Eagle Bombardier CRJ-700 operated by PSA Airlines on approach to Ronald Reagan Washington National Airport (DCA) and a U.S. Army Sikorsky UH-60L Black Hawk helicopter.