Last month, an American Airlines passenger jet and an Army helicopter collided as the plane prepared to land at Washington D ...

Despite all these technological advances, a supersonic aircraft still cannot beat physics. Shock waves, and their associated drag, will still exist. So, a single supersonic aircraft will still produce ...

On Jan. 29, an American Airlines passenger jet and an Army helicopter collided as the plane prepared to land at Washington D.C.'s Ronald Reagan National Airport. Both plunged into the Potomac ...

What Is Known About the Deadly January Air Crash Between a Passenger Jet and US Army Helicopter On Jan. 29, an American Airlines passenger jet and an Army helicopter collided as the plane prepared ...