Hypersonics, electric propulsion, triple deckers -- think you've seen everything when it comes to new aircraft concepts?
원문출처 : http://www.cnn.com/2016/07/05/aviation/clip-air-pod-airplane-concept/index.html
원문출처 : http://www.cnn.com/2016/07/05/aviation/clip-air-pod-airplane-concept/index.html