The military helicopter that collided with a regional jet near Ronald Reagan Washington National Airport, in a crash that killed all 67 people aboard both aircraft, was a UH-60 Black Hawk, considered the “workhorse” of U.

An American Airlines jet and an Army helicopter collided over Washington, D.C., Wednesday night. All 67 people aboard the aircraft are presumed dead.

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.