What we know after American Eagle plane and Black Hawk helicopter collide near Washington, D.C.
Sixty passengers and four crew members from the plane and three Black Hawk helicopter personnel were killed, and a recovery ...
U.S. News & World Report13 天
Midair Collision Draws Attention to Military Helicopter Training and Previous Accidents
Midair Collision Draws Attention to Military Helicopter Training and Previous Accidents To learn to fly a military helicopter is to take a master class in multitasking. You need both hands and ...