During the Vietnam War, the U.S. military sought a revolutionary aircraft that could fly like a jet but land like a ...

The Bell Boeing V-22 Osprey is a remarkable tiltrotor aircraft that can function as both a helicopter and turboprop plane. But can it fly with just one engine?

Crews finished retrieving all the "major components" of both the helicopter and the plane out of the Potomac ... That included the right engine and tail rotor, the NTSB said on Thursday.