An American Airlines plane and a U.S. Army helicopter collided near Reagan National Airport and crashed into the Potomac River, according to officials.

There were 64 passengers aboard the plane, and three Army soldiers in the helicopter, according to officials. Here's a look at what we know about the victims.

An American Airlines plane carrying 60 passengers and four crew members collided with an Army Black Hawk helicopter outside Reagan National Airport near Washington, D.C. Wednesday evening. Three soldiers were onboard the helicopter and a massive search and rescue operation is now unfolding in the Potomac River.

We are now at the point where we are switching from a rescue operation to a recovery operation,” said John Donnelly, the fire chief in the nation’s capital.

Latest news and live updates after an American Airline jet collided with a Black Hawk helicopter over the Potomac River.

Eighteen bodies were reportedly removed from the Potomac River following the Wednesday, Jan. 29, crash between an American Airlines regional passenger plane and a helicopter.

A massive search-and-rescue operation is underway after a passenger plane crashed with a military helicopter in Washington, D.C. Retired U.S. Air Force Brig. Gen. John Teichert breaks down what happened in the apparent collision footage. #PlaneCrash #DC

More than 30 bodies have been recovered, two sources told NBC News, and a frantic search and rescue mission to find crash victims in the icy Potomac river remains underway.

The airspace around Washington, D.C., is congested and complex — a combination aviation experts have long worried could lead to catastrophe.

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

Approximately 67 people are presumed dead after an Army helicopter and American Airlines passenger jet collided near Reagan National Airport Wednesday night.