<http://schema.org/description>
"Helicopters are versatile machines, but when it comes to takeoffs and landings, they are very fussy creatures. DARPA recently demonstrated a new robotic landing gear system in an unmanned flight that is able to land on broken or uneven terrain with a high degree of safety."^^<http://www.w3.org/2001/XMLSchema#string>
<http://newatlas.com/darpa-robotic-landing-gear-helicopters/39379/>