Correction: Helicopters of the future
The original version of this story wrongly paired up two teams of aircraft manufacturers. The actual pairings: Sikorsky Aircraft is working with Boeing, while Bell Helicopter is working with Lockheed Martin.
The original version of this story wrongly paired up two teams of aircraft manufacturers. The actual pairings: Sikorsky Aircraft is working with Boeing, while Bell Helicopter is working with Lockheed Martin.