NASA tackles helicopter research

From the creator

Some people say it's amazing that helicopters can fly - but just check out what happens when a tiltrotor like the V-22 lands! NASA is working to make help make helicopters and other vertical take off and landing aircraft more mainstream -- able to carry more passengers and cargo -- quicker, quieter, safer and greener.

Published 2011-05-24 · Watch on YouTube ↗
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