Three U.S. Army soldiers were onboard a BlackHawk helicopter that collided with a passenger jet near Ronald Reagan Washington National Airport, U.S. officials said on Wednesday.

Family members of the victims of the plane crash in Washington, D.C., visited the crash site on Sunday morning. Dozens of the victims' loved ones could be seen gathered by the Potomac River to commemorate the 67 people killed in the deadly midair collision last week.

Who was on the plane that crashed outside D.C.? How many people died in the plane crash? Here's what we know after the plane and helicopter collision.

American Airlines Flight 5342 and a U.S. Army Black Hawk collided in Washington, D.C. Authorities believe all 67 on board both aircraft died.

The Black Hawk helicopter that collided with a passenger jet in Washington on Wednesday was on a training flight along a route core to a seldom-discussed military mission to evacuate senior officials to safety in the event of an attack on the U.S., officials say.

Officials have positively identified 55 of the 67 people killed in Wednesday's midair collision between an American Airlines passenger jet and a military helicopter over the Potomac River, Washington,

Recovery operations are still under way in Washington DC, after an American Airlines plane from Kansas carrying 64 people onboard collided with a military helicopter, manned by three personnel, on Wednesday night.

An American Airlines plane prepares to land at Ronald Reagan Washington National Airport as crosses are seen in a makeshift memorial for the victims of the plane crash in the Potomac River Friday, Jan.