<http://schema.org/description>
"Carbon fiber composites are used to manufacture the four rotors and many of the aerostructures on the A160T unmanned aerial vehicle, which has logged more than 300 hours of testing to date."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.compositesworld.com/news/auvsi-boeing-updates-testing-of-a160t-hummingbird-uav>