<http://schema.org/description>
"In the last few years, the threat to commercial airplanes has become larger than ever.  Learn how the Guardian Solution for Commercial Airplanes, created by Northrop Grumman, can defend the planes from lethal types of attacks."^^<http://www.w3.org/2001/XMLSchema#string>
<http://science.howstuffworks.com/guardian.htm>