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.

Sixty-seven people died in a collision between a Bombardier CRJ700 regional jet operated by PSA Airlines and a military Black Hawk helicopter.

It's been more than two decades since American Airlines, the nation's largest carrier, was involved in a deadly crash.

An American Airlines regional passenger jet was involved in a mid-air collision on Wednesday night with a U.S. Army Black Hawk helicopter near Reagan Washington National Airport, officials said.

A look at the frequency of runway incursions in the United States and the preventative measures taken by the FAA to avoid collisions.

Wednesday’s fatal crash of a civilian plane and military helicopter at Reagan National Airport may reflect rising stresses on air-safety systems.

President Trump at moments of national tragedy has always been more comfortable finding fault than providing comfort or expressing empathy.

Wednesday's crash involving an American Airlines flight and Black Hawk helicopter marked the first commercial crash on U.S. soil in more than 15 years.

Before Wednesday’s mid-air collision in Washington, the last fatal US passenger plane accident occurred in February 2009.

Crash involving an American Airlines regional jet occurred in a high-risk location feared by safety officials—a crowded airport.

Dr. Maureen McFarland, a Marine combat veteran, says the university will eventually take the findings from the air collision and use them to help students learn.