ดาวโจนส์ 14/5/62 ชุดวิเคราะห์ดัชนีตลาดสหรัฐอเมริกา ฟันธง
The newest United States Marine Corps aircraft to take flight is neither airplane nor helicopter. It's a tilt-rotor and officially its known as a powered lift aircraft.
from: http://ezinearticles.com/?Modern-Aircraft---The-MV-22-Tilt-Rotor&id=733192
