Airbus and Leonardo have teamed up to evaluate a Block 2 evolution of the NH90 helicopter, following a request from the NATO Helicopter Management Agency.

The U.S. Air Force E-4B “Nightwatch,” also known as the “Doomsday Plane,” is the National Airborne Operations Center in case of a national emergency.

Five people were taken to a North Carolina hospital after a flight from Miami hit turbulence Sunday night, officials said.