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.

The U.S. Army helicopter that collided with a passenger jet in Washington was being operated on a training flight by a "fairly experienced crew" with night-vision goggles, Defense Secretary Pete Hegseth said on Thursday,

Through maps, videos, photos and radio transmissions, CNN is piecing together what occurred during the deadly, midair collision.