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.

Sen. Tammy Duckworth, a former Blackhawk pilot, talked with CBS News' Nikole Killion about the midair collision of a plane and Blackhawk helicopter.