<http://schema.org/alternativeHeadline>
"Fairey based his design on the logo of CASIS, a non-profit that oversees NASA's science experiments on the International Space Station."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/space/stories/street-artist-shepard-fairey-to-design-space-mission-emblem>