Sixty passengers and four crew members from the plane and three Black Hawk helicopter personnel were killed, and a recovery mission is underway.

Officials believe that there were no survivors after an American Airlines jet flying from Wichita, Kan., to Reagan National Airport collided with a Black Hawk military helicopter in the skies near Washington, D.C., on Wednesday night. Here is how the crash unfolded:

A military helicopter and passenger jet collided midair on Wednesday night near Reagan Washington National Airport, according to the Federal Aviation Administration. Here's what we know.