Ret. Lt. Col. Darin Gaub gives insight into the Black Hawk helicopter that collided with an American Airlines jet.

Here are images of the two aircrafts involved in the crash, taken from airline websites and directly manufacturers.

A Black Hawk helicopter can transport up to "12 fully equipped, seated troops in combat," according to Lockheed Martin, the weapons company that builds the helicopter. There are about 5,000 of these ...

Shortly before the collision, air traffic controllers at Reagan National Airport asked the pilots of the military helicopter if they had the arriving regional jet in sight, according to an audio ...

American defense contractor Sikorsky announced it has begun ground tests of the Black Hawk with the new General Electric T901 ...

An American Airlines flight with 64 people on board collided with a U.S. Army Black Hawk helicopter with three soldiers ...