Sixty passengers and four crew members from the plane and three Black Hawk helicopter personnel are feared dead as a recovery mission is underway.

The investigation into the deadly crash near Washington, D.C. is ongoing. Former Army Black Hawk pilot and senior director for the FDD's Center on Military & Political Power Bradley Bowman joins Katy Tur to share his expertise and insight on the route taken by the helicopter.

Dozens of people are dead after a regional jet collided with an Army Black Hawk helicopter Wednesday night over Washington, D.C., officials said, the nation's first major commercial airline crash since 2009.